20302404224139 has 12 divisors (see below), whose sum is σ = 29447378375272. Its totient is φ = 13478774587200.

The previous prime is 20302404224129. The next prime is 20302404224161. The reversal of 20302404224139 is 93142240420302.

20302404224139 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 2 + 404 + 2 + 241 + 3 + 9 = 666.

It is not a de Polignac number, because 20302404224139 - 2¹⁵ = 20302404191371 is a prime.

It is a super-2 number, since 2×20302404224139² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302404224129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4680127897 + ... + 4680132234.

Almost surely, 2^{20302404224139} is an apocalyptic number.

20302404224139 is a deficient number, since it is larger than the sum of its proper divisors (9144974151133).

20302404224139 is a wasteful number, since it uses less digits than its factorization.

20302404224139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360260378 (or 9360260375 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 20302404224139 in words is "twenty trillion, three hundred two billion, four hundred four million, two hundred twenty-four thousand, one hundred thirty-nine".