20220507136 has 44 divisors (see below), whose sum is σ = 41361387232. Its totient is φ = 9875109888.

The previous prime is 20220507119. The next prime is 20220507157. The reversal of 20220507136 is 63170502202.

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, 185580 + ... + 273643.

It is an arithmetic number, because the mean of its divisors is an integer number (940031528).

Almost surely, 2^20220507136 is an apocalyptic number.

It is an amenable number.

20220507136 is an abundant number, since it is smaller than the sum of its proper divisors (21140880096).

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

20220507136 is an equidigital number, since it uses as much as digits as its factorization.

20220507136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459286 (or 459268 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 20220507136 in words is "twenty billion, two hundred twenty million, five hundred seven thousand, one hundred thirty-six".