162322020 has 144 divisors (see below), whose sum is σ = 574898688. Its totient is φ = 36299520.

The previous prime is 162322009. The next prime is 162322079. The reversal of 162322020 is 20223261.

162322020 is a `hidden beast` number, since 1 + 623 + 2 + 20 + 20 = 666.

162322020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 162321984 and 162322002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57850 + ... + 60590.

It is an arithmetic number, because the mean of its divisors is an integer number (3992352).

Almost surely, 2^162322020 is an apocalyptic number.

162322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162322020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287449344).

162322020 is an abundant number, since it is smaller than the sum of its proper divisors (412576668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162322020 is a wasteful number, since it uses less digits than its factorization.

162322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 162322020 is about 12740.5659214966. The cubic root of 162322020 is about 545.4971419764.

Adding to 162322020 its reverse (20223261), we get a palindrome (182545281).

The spelling of 162322020 in words is "one hundred sixty-two million, three hundred twenty-two thousand, twenty".