20630313996 has 24 divisors (see below), whose sum is σ = 48456194304. Its totient is φ = 6831229200.

The previous prime is 20630313989. The next prime is 20630314007. The reversal of 20630313996 is 69931303602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5690880 + ... + 5694503.

It is an arithmetic number, because the mean of its divisors is an integer number (2019008096).

Almost surely, 2^20630313996 is an apocalyptic number.

It is an amenable number.

20630313996 is an abundant number, since it is smaller than the sum of its proper divisors (27825880308).

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

20630313996 is a wasteful number, since it uses less digits than its factorization.

20630313996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11385541 (or 11385539 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 42.

The spelling of 20630313996 in words is "twenty billion, six hundred thirty million, three hundred thirteen thousand, nine hundred ninety-six".