190431542220 has 24 divisors (see below), whose sum is σ = 533208318384. Its totient is φ = 50781744576.

The previous prime is 190431542183. The next prime is 190431542237. The reversal of 190431542220 is 22245134091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586929459 + ... + 1586929578.

It is an arithmetic number, because the mean of its divisors is an integer number (22217013266).

Almost surely, 2^190431542220 is an apocalyptic number.

190431542220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190431542220 is an abundant number, since it is smaller than the sum of its proper divisors (342776776164).

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

190431542220 is a wasteful number, since it uses less digits than its factorization.

190431542220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173859049 (or 3173859047 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 190431542220 in words is "one hundred ninety billion, four hundred thirty-one million, five hundred forty-two thousand, two hundred twenty".