20793380608 has 288 divisors, whose sum is σ = 56816266752. Its totient is φ = 7332249600.

The previous prime is 20793380537. The next prime is 20793380627. The reversal of 20793380608 is 80608339702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13580803 + ... + 13582333.

It is an arithmetic number, because the mean of its divisors is an integer number (197278704).

Almost surely, 2^20793380608 is an apocalyptic number.

20793380608 is a gapful number since it is divisible by the number (28) 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 20793380608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28408133376).

20793380608 is an abundant number, since it is smaller than the sum of its proper divisors (36022886144).

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

20793380608 is a wasteful number, since it uses less digits than its factorization.

20793380608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 20793380608 in words is "twenty billion, seven hundred ninety-three million, three hundred eighty thousand, six hundred eight".