20170474030420 has 96 divisors (see below), whose sum is σ = 48456059097600. Its totient is φ = 6908890374144.

The previous prime is 20170474030393. The next prime is 20170474030433. The reversal of 20170474030420 is 2403047407102.

It is a super-2 number, since 2×20170474030420² (a number of 27 digits) contains 22 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 1232227996 + ... + 1232244364.

It is an arithmetic number, because the mean of its divisors is an integer number (504750615600).

Almost surely, 2^{20170474030420} is an apocalyptic number.

20170474030420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20170474030420 is an abundant number, since it is smaller than the sum of its proper divisors (28285585067180).

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

20170474030420 is a wasteful number, since it uses less digits than its factorization.

20170474030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24377 (or 24375 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 20170474030420 in words is "twenty trillion, one hundred seventy billion, four hundred seventy-four million, thirty thousand, four hundred twenty".