20793617080 has 32 divisors (see below), whose sum is σ = 46826319600. Its totient is φ = 8310214656.

The previous prime is 20793617063. The next prime is 20793617171. The reversal of 20793617080 is 8071639702.

It is a happy number.

It is a super-2 number, since 2×20793617080² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 179310 + ... + 271549.

Almost surely, 2^20793617080 is an apocalyptic number.

20793617080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20793617080 is an abundant number, since it is smaller than the sum of its proper divisors (26032702520).

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

20793617080 is a wasteful number, since it uses less digits than its factorization.

20793617080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452023 (or 452019 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 20793617080 in words is "twenty billion, seven hundred ninety-three million, six hundred seventeen thousand, eighty".