32212020 has 24 divisors (see below), whose sum is σ = 90193824. Its totient is φ = 8589856.

The previous prime is 32212009. The next prime is 32212043. The reversal of 32212020 is 2021223.

It is a super-2 number, since 2×32212020² = 2075228464960800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 32211987 and 32212005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268374 + ... + 268493.

It is an arithmetic number, because the mean of its divisors is an integer number (3758076).

Almost surely, 2^32212020 is an apocalyptic number.

32212020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32212020 is an abundant number, since it is smaller than the sum of its proper divisors (57981804).

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

32212020 is a wasteful number, since it uses less digits than its factorization.

32212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536879 (or 536877 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 32212020 is about 5675.5634081561. The cubic root of 32212020 is about 318.1798357823.

Adding to 32212020 its reverse (2021223), we get a palindrome (34233243).

The spelling of 32212020 in words is "thirty-two million, two hundred twelve thousand, twenty".