22501923120 has 200 divisors, whose sum is σ = 78553682064. Its totient is φ = 5969714688.

The previous prime is 22501923089. The next prime is 22501923131. The reversal of 22501923120 is 2132910522.

It is a happy number.

22501923120 is a `hidden beast` number, since 22 + 501 + 92 + 31 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1267747 + ... + 1285373.

Almost surely, 2^22501923120 is an apocalyptic number.

22501923120 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 22501923120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39276841032).

22501923120 is an abundant number, since it is smaller than the sum of its proper divisors (56051758944).

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

22501923120 is a wasteful number, since it uses less digits than its factorization.

22501923120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17849 (or 17834 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 22501923120 in words is "twenty-two billion, five hundred one million, nine hundred twenty-three thousand, one hundred twenty".