20079564528 has 120 divisors (see below), whose sum is σ = 54363270528. Its totient is φ = 6385008000.

The previous prime is 20079564511. The next prime is 20079564539. The reversal of 20079564528 is 82546597002.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 23 ways as a sum of consecutive naturals, for example, 3272023 + ... + 3278153.

Almost surely, 2^20079564528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20079564528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27181635264).

20079564528 is an abundant number, since it is smaller than the sum of its proper divisors (34283706000).

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

20079564528 is a wasteful number, since it uses less digits than its factorization.

20079564528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275 (or 6238 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 20079564528 in words is "twenty billion, seventy-nine million, five hundred sixty-four thousand, five hundred twenty-eight".