22313620720 has 20 divisors (see below), whose sum is σ = 51879168360. Its totient is φ = 8925448256.

The previous prime is 22313620709. The next prime is 22313620741. The reversal of 22313620720 is 2702631322.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×22313620720³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139460050 + ... + 139460209.

It is an arithmetic number, because the mean of its divisors is an integer number (2593958418).

Almost surely, 2^22313620720 is an apocalyptic number.

22313620720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22313620720 is an abundant number, since it is smaller than the sum of its proper divisors (29565547640).

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

22313620720 is a wasteful number, since it uses less digits than its factorization.

22313620720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278920272 (or 278920266 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 22313620720 in words is "twenty-two billion, three hundred thirteen million, six hundred twenty thousand, seven hundred twenty".