20373581370 has 16 divisors (see below), whose sum is σ = 48896595360. Its totient is φ = 5432955024.

The previous prime is 20373581369. The next prime is 20373581387. The reversal of 20373581370 is 7318537302.

It is a happy number.

It is a super-2 number, since 2×20373581370² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339559660 + ... + 339559719.

It is an arithmetic number, because the mean of its divisors is an integer number (3056037210).

Almost surely, 2^20373581370 is an apocalyptic number.

20373581370 is an abundant number, since it is smaller than the sum of its proper divisors (28523013990).

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

20373581370 is a wasteful number, since it uses less digits than its factorization.

20373581370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679119389.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 20373581370 in words is "twenty billion, three hundred seventy-three million, five hundred eighty-one thousand, three hundred seventy".