20044296960 has 144 divisors (see below), whose sum is σ = 64166425344. Its totient is φ = 5332627456.

The previous prime is 20044296959. The next prime is 20044297061. The reversal of 20044296960 is 6969244002.

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, 1695229 + ... + 1707011.

It is an arithmetic number, because the mean of its divisors is an integer number (445600176).

Almost surely, 2^20044296960 is an apocalyptic number.

20044296960 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 20044296960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32083212672).

20044296960 is an abundant number, since it is smaller than the sum of its proper divisors (44122128384).

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

20044296960 is a wasteful number, since it uses less digits than its factorization.

20044296960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12250 (or 12236 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 20044296960 in words is "twenty billion, forty-four million, two hundred ninety-six thousand, nine hundred sixty".