20797053700 has 72 divisors (see below), whose sum is σ = 49325842944. Its totient is φ = 7576896000.

The previous prime is 20797053677. The next prime is 20797053703. The reversal of 20797053700 is 735079702.

It is not an unprimeable number, because it can be changed into a prime (20797053703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144616 + ... + 250015.

It is an arithmetic number, because the mean of its divisors is an integer number (685081152).

Almost surely, 2^20797053700 is an apocalyptic number.

20797053700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20797053700 is an abundant number, since it is smaller than the sum of its proper divisors (28528789244).

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

20797053700 is a wasteful number, since it uses less digits than its factorization.

20797053700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394693 (or 394686 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 40.

The spelling of 20797053700 in words is "twenty billion, seven hundred ninety-seven million, fifty-three thousand, seven hundred".