20359790880 has 384 divisors, whose sum is σ = 76960751616. Its totient is φ = 4458393600.

The previous prime is 20359790873. The next prime is 20359790921. The reversal of 20359790880 is 8809795302.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3222925 + ... + 3229235.

It is an arithmetic number, because the mean of its divisors is an integer number (200418624).

Almost surely, 2^20359790880 is an apocalyptic number.

20359790880 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 20359790880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38480375808).

20359790880 is an abundant number, since it is smaller than the sum of its proper divisors (56600960736).

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

20359790880 is a wasteful number, since it uses less digits than its factorization.

20359790880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400 (or 6392 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 20359790880 in words is "twenty billion, three hundred fifty-nine million, seven hundred ninety thousand, eight hundred eighty".