20790783174760 has 96 divisors (see below), whose sum is σ = 49404119200200. Its totient is φ = 7873313218560.

The previous prime is 20790783174751. The next prime is 20790783174781. The reversal of 20790783174760 is 6747138709702.

It can be written as a sum of positive squares in 4 ways, for example, as 18909052190116 + 1881730984644 = 4348454^2 + 1371762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21017680 + ... + 21984640.

Almost surely, 2^{20790783174760} is an apocalyptic number.

20790783174760 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 20790783174760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24702059600100).

20790783174760 is an abundant number, since it is smaller than the sum of its proper divisors (28613336025440).

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

20790783174760 is a wasteful number, since it uses less digits than its factorization.

20790783174760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968499 (or 968476 counting only the distinct ones).

The product of its (nonzero) digits is 24893568, while the sum is 61.

The spelling of 20790783174760 in words is "twenty trillion, seven hundred ninety billion, seven hundred eighty-three million, one hundred seventy-four thousand, seven hundred sixty".