32320212402 has 64 divisors (see below), whose sum is σ = 65967955200. Its totient is φ = 10554986496.

The previous prime is 32320212391. The next prime is 32320212443. The reversal of 32320212402 is 20421202323.

It is a super-2 number, since 2×32320212402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30809974 + ... + 30811022.

It is an arithmetic number, because the mean of its divisors is an integer number (1030749300).

Almost surely, 2^32320212402 is an apocalyptic number.

32320212402 is an abundant number, since it is smaller than the sum of its proper divisors (33647742798).

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

32320212402 is a wasteful number, since it uses less digits than its factorization.

32320212402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 32320212402 its reverse (20421202323), we get a palindrome (52741414725).

The spelling of 32320212402 in words is "thirty-two billion, three hundred twenty million, two hundred twelve thousand, four hundred two".