32212023220 has 48 divisors (see below), whose sum is σ = 72863925120. Its totient is φ = 11891189376.

The previous prime is 32212023211. The next prime is 32212023281. The reversal of 32212023220 is 2232021223.

It is a super-2 number, since 2×32212023220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1643599 + ... + 1663081.

It is an arithmetic number, because the mean of its divisors is an integer number (1517998440).

Almost surely, 2^32212023220 is an apocalyptic number.

It is an amenable number.

32212023220 is an abundant number, since it is smaller than the sum of its proper divisors (40651901900).

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

32212023220 is a wasteful number, since it uses less digits than its factorization.

32212023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25864 (or 25862 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 32212023220 its reverse (2232021223), we get a palindrome (34444044443).

The spelling of 32212023220 in words is "thirty-two billion, two hundred twelve million, twenty-three thousand, two hundred twenty".