22019890080 has 96 divisors (see below), whose sum is σ = 69409182528. Its totient is φ = 5868032000.

The previous prime is 22019890073. The next prime is 22019890093. The reversal of 22019890080 is 8009891022.

It is a tau number, because it is divible by the number of its divisors (96).

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, 739480 + ... + 768680.

It is an arithmetic number, because the mean of its divisors is an integer number (723012318).

Almost surely, 2^22019890080 is an apocalyptic number.

22019890080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22019890080 is an abundant number, since it is smaller than the sum of its proper divisors (47389292448).

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

22019890080 is a wasteful number, since it uses less digits than its factorization.

22019890080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30790 (or 30782 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 22019890080 in words is "twenty-two billion, nineteen million, eight hundred ninety thousand, eighty".