20051179344 has 100 divisors (see below), whose sum is σ = 66324521824. Its totient is φ = 5728905792.

The previous prime is 20051179319. The next prime is 20051179387. The reversal of 20051179344 is 44397115002.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20051179299 and 20051179308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1096042 + ... + 1114185.

Almost surely, 2^20051179344 is an apocalyptic number.

20051179344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20051179344 is an abundant number, since it is smaller than the sum of its proper divisors (46273342480).

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

20051179344 is a wasteful number, since it uses less digits than its factorization.

20051179344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210254 (or 2210239 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 20051179344 in words is "twenty billion, fifty-one million, one hundred seventy-nine thousand, three hundred forty-four".