32130220404 has 24 divisors (see below), whose sum is σ = 76714015840. Its totient is φ = 10461001824.

The previous prime is 32130220403. The next prime is 32130220453. The reversal of 32130220404 is 40402203123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130220403) 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, 31133419 + ... + 31134450.

Almost surely, 2^32130220404 is an apocalyptic number.

It is an amenable number.

32130220404 is an abundant number, since it is smaller than the sum of its proper divisors (44583795436).

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

32130220404 is a wasteful number, since it uses less digits than its factorization.

32130220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62267919 (or 62267917 counting only the distinct ones).

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

Adding to 32130220404 its reverse (40402203123), we get a palindrome (72532423527).

The spelling of 32130220404 in words is "thirty-two billion, one hundred thirty million, two hundred twenty thousand, four hundred four".