20352574190 has 48 divisors (see below), whose sum is σ = 41183801568. Its totient is φ = 7185311232.

The previous prime is 20352574133. The next prime is 20352574217. The reversal of 20352574190 is 9147525302.

It is a super-2 number, since 2×20352574190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7799606 + ... + 7802214.

It is an arithmetic number, because the mean of its divisors is an integer number (857995866).

Almost surely, 2^20352574190 is an apocalyptic number.

20352574190 is an abundant number, since it is smaller than the sum of its proper divisors (20831227378).

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

20352574190 is an equidigital number, since it uses as much as digits as its factorization.

20352574190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 20352574190 in words is "twenty billion, three hundred fifty-two million, five hundred seventy-four thousand, one hundred ninety".