20132312004 has 36 divisors (see below), whose sum is σ = 58160013184. Its totient is φ = 5752089072.

The previous prime is 20132311987. The next prime is 20132312069. The reversal of 20132312004 is 40021323102.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39944812 + ... + 39945315.

Almost surely, 2^20132312004 is an apocalyptic number.

It is an amenable number.

20132312004 is an abundant number, since it is smaller than the sum of its proper divisors (38027701180).

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

20132312004 is a wasteful number, since it uses less digits than its factorization.

20132312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79890144 (or 79890139 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20132312004 its reverse (40021323102), we get a palindrome (60153635106).

The spelling of 20132312004 in words is "twenty billion, one hundred thirty-two million, three hundred twelve thousand, four".