20049193581924 has 24 divisors (see below), whose sum is σ = 50380024898560. Its totient is φ = 6168982640544.

The previous prime is 20049193581811. The next prime is 20049193581961. The reversal of 20049193581924 is 42918539194002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64260235684 + ... + 64260235995.

Almost surely, 2^{20049193581924} is an apocalyptic number.

It is an amenable number.

20049193581924 is an abundant number, since it is smaller than the sum of its proper divisors (30330831316636).

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

20049193581924 is a wasteful number, since it uses less digits than its factorization.

20049193581924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128520471699 (or 128520471697 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 20049193581924 in words is "twenty trillion, forty-nine billion, one hundred ninety-three million, five hundred eighty-one thousand, nine hundred twenty-four".