20794655700 has 324 divisors, whose sum is σ = 80666066208. Its totient is φ = 4387219200.

The previous prime is 20794655657. The next prime is 20794655723. The reversal of 20794655700 is 755649702.

20794655700 is a `hidden beast` number, since 2 + 0 + 7 + 94 + 6 + 557 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1054935 + ... + 1074465.

Almost surely, 2^20794655700 is an apocalyptic number.

20794655700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20794655700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40333033104).

20794655700 is an abundant number, since it is smaller than the sum of its proper divisors (59871410508).

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

20794655700 is a wasteful number, since it uses less digits than its factorization.

20794655700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19584 (or 19561 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 20794655700 in words is "twenty billion, seven hundred ninety-four million, six hundred fifty-five thousand, seven hundred".