20536077344 has 96 divisors (see below), whose sum is σ = 45019255680. Its totient is φ = 9176758272.

The previous prime is 20536077337. The next prime is 20536077389. The reversal of 20536077344 is 44377063502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010774 + ... + 1030890.

It is an arithmetic number, because the mean of its divisors is an integer number (468950580).

Almost surely, 2^20536077344 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 20536077344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22509627840).

20536077344 is an abundant number, since it is smaller than the sum of its proper divisors (24483178336).

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

20536077344 is a wasteful number, since it uses less digits than its factorization.

20536077344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20242 (or 20234 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 20536077344 in words is "twenty billion, five hundred thirty-six million, seventy-seven thousand, three hundred forty-four".