32320420404 has 48 divisors (see below), whose sum is σ = 75715785600. Its totient is φ = 10730474496.

The previous prime is 32320420397. The next prime is 32320420423. The reversal of 32320420404 is 40402402323.

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, 4562137 + ... + 4569215.

It is an arithmetic number, because the mean of its divisors is an integer number (1577412200).

Almost surely, 2^32320420404 is an apocalyptic number.

It is an amenable number.

32320420404 is an abundant number, since it is smaller than the sum of its proper divisors (43395365196).

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

32320420404 is a wasteful number, since it uses less digits than its factorization.

32320420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552 (or 8550 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 32320420404 its reverse (40402402323), we get a palindrome (72722822727).

The spelling of 32320420404 in words is "thirty-two billion, three hundred twenty million, four hundred twenty thousand, four hundred four".