20660315300 has 36 divisors (see below), whose sum is σ = 46044592020. Its totient is φ = 8040769920.

The previous prime is 20660315297. The next prime is 20660315353. The reversal of 20660315300 is 351306602.

It can be written as a sum of positive squares in 6 ways, for example, as 4306509376 + 16353805924 = 65624^2 + 127882^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20660315300.

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, 2788235 + ... + 2795634.

It is an arithmetic number, because the mean of its divisors is an integer number (1279016445).

Almost surely, 2^20660315300 is an apocalyptic number.

20660315300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20660315300 is an abundant number, since it is smaller than the sum of its proper divisors (25384276720).

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

20660315300 is a wasteful number, since it uses less digits than its factorization.

20660315300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583920 (or 5583913 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The spelling of 20660315300 in words is "twenty billion, six hundred sixty million, three hundred fifteen thousand, three hundred".