22146376920 has 32 divisors (see below), whose sum is σ = 66439131120. Its totient is φ = 5905700480.

The previous prime is 22146376907. The next prime is 22146376921. The reversal of 22146376920 is 2967364122.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146376921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92276451 + ... + 92276690.

Almost surely, 2^22146376920 is an apocalyptic number.

22146376920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22146376920 is an abundant number, since it is smaller than the sum of its proper divisors (44292754200).

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

22146376920 is a wasteful number, since it uses less digits than its factorization.

22146376920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184553155 (or 184553151 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 22146376920 in words is "twenty-two billion, one hundred forty-six million, three hundred seventy-six thousand, nine hundred twenty".