20045604424239 has 48 divisors (see below), whose sum is σ = 30528427273344. Its totient is φ = 12658016448000.

The previous prime is 20045604424141. The next prime is 20045604424247. The reversal of 20045604424239 is 93242440654002.

20045604424239 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 5 + 604 + 4 + 2 + 4 + 2 + 39 = 666.

It is not a de Polignac number, because 20045604424239 - 2⁸ = 20045604423983 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20045604424194 and 20045604424203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045604424289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4735789 + ... + 7906889.

It is an arithmetic number, because the mean of its divisors is an integer number (636008901528).

Almost surely, 2^{20045604424239} is an apocalyptic number.

20045604424239 is a deficient number, since it is larger than the sum of its proper divisors (10482822849105).

20045604424239 is a wasteful number, since it uses less digits than its factorization.

20045604424239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171648 (or 3171645 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 20045604424239 in words is "twenty trillion, forty-five billion, six hundred four million, four hundred twenty-four thousand, two hundred thirty-nine".