20468032 has 56 divisors (see below), whose sum is σ = 44471336. Its totient is φ = 9289728.

The previous prime is 20468027. The next prime is 20468033. The reversal of 20468032 is 23086402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 254016 + 20214016 = 504^2 + 4496^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20467988 and 20468006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20468033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60568 + ... + 60904.

It is an arithmetic number, because the mean of its divisors is an integer number (794131).

Almost surely, 2^20468032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20468032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22235668).

20468032 is an abundant number, since it is smaller than the sum of its proper divisors (24003304).

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

20468032 is a wasteful number, since it uses less digits than its factorization.

20468032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20468032 is about 4524.1609166784. The cubic root of 20468032 is about 273.5428468333.

The spelling of 20468032 in words is "twenty million, four hundred sixty-eight thousand, thirty-two".