20416426178190 has 64 divisors (see below), whose sum is σ = 55999836877824. Its totient is φ = 4666570322688.

The previous prime is 20416426178189. The next prime is 20416426178207. The reversal of 20416426178190 is 9187162461402.

It is a super-2 number, since 2×20416426178190² (a number of 27 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 31 ways as a sum of consecutive naturals, for example, 27659602 + ... + 28388138.

It is an arithmetic number, because the mean of its divisors is an integer number (874997451216).

Almost surely, 2^{20416426178190} is an apocalyptic number.

20416426178190 is an abundant number, since it is smaller than the sum of its proper divisors (35583410699634).

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

20416426178190 is a wasteful number, since it uses less digits than its factorization.

20416426178190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862001.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 20416426178190 in words is "twenty trillion, four hundred sixteen billion, four hundred twenty-six million, one hundred seventy-eight thousand, one hundred ninety".