20744901716 has 48 divisors (see below), whose sum is σ = 46003638912. Its totient is φ = 7949923200.

The previous prime is 20744901659. The next prime is 20744901743. The reversal of 20744901716 is 61710944702.

It is a congruent number.

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, 533291 + ... + 570866.

It is an arithmetic number, because the mean of its divisors is an integer number (958409144).

Almost surely, 2^20744901716 is an apocalyptic number.

It is an amenable number.

20744901716 is an abundant number, since it is smaller than the sum of its proper divisors (25258737196).

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

20744901716 is a wasteful number, since it uses less digits than its factorization.

20744901716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104240 (or 1104238 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 20744901716 in words is "twenty billion, seven hundred forty-four million, nine hundred one thousand, seven hundred sixteen".