20707364224 has 64 divisors (see below), whose sum is σ = 42593241600. Its totient is φ = 10021294080.

The previous prime is 20707364219. The next prime is 20707364239. The reversal of 20707364224 is 42246370702.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650962 + ... + 682030.

It is an arithmetic number, because the mean of its divisors is an integer number (665519400).

Almost surely, 2^20707364224 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 20707364224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21296620800).

20707364224 is an abundant number, since it is smaller than the sum of its proper divisors (21885877376).

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

20707364224 is a wasteful number, since it uses less digits than its factorization.

20707364224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31251 (or 31239 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 20707364224 in words is "twenty billion, seven hundred seven million, three hundred sixty-four thousand, two hundred twenty-four".