20315656006 has 16 divisors (see below), whose sum is σ = 30576209040. Its totient is φ = 10123626240.

The previous prime is 20315656003. The next prime is 20315656051. The reversal of 20315656006 is 60065651302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315656003) 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, 1113550 + ... + 1131646.

It is an arithmetic number, because the mean of its divisors is an integer number (1911013065).

Almost surely, 2^20315656006 is an apocalyptic number.

20315656006 is a deficient number, since it is larger than the sum of its proper divisors (10260553034).

20315656006 is a wasteful number, since it uses less digits than its factorization.

20315656006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19959.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 20315656006 in words is "twenty billion, three hundred fifteen million, six hundred fifty-six thousand, six".