20313323004 has 48 divisors (see below), whose sum is σ = 52690319360. Its totient is φ = 6048630720.

The previous prime is 20313322993. The next prime is 20313323059. The reversal of 20313323004 is 40032331302.

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, 2095384 + ... + 2105055.

Almost surely, 2^20313323004 is an apocalyptic number.

It is an amenable number.

20313323004 is an abundant number, since it is smaller than the sum of its proper divisors (32376996356).

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

20313323004 is a wasteful number, since it uses less digits than its factorization.

20313323004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200490 (or 4200488 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20313323004 its reverse (40032331302), we get a palindrome (60345654306).

The spelling of 20313323004 in words is "twenty billion, three hundred thirteen million, three hundred twenty-three thousand, four".