20137334044 has 6 divisors (see below), whose sum is σ = 35240334584. Its totient is φ = 10068667020.

The previous prime is 20137334039. The next prime is 20137334069. The reversal of 20137334044 is 44043373102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20137333997 and 20137334015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2517166752 + ... + 2517166759.

Almost surely, 2^20137334044 is an apocalyptic number.

It is an amenable number.

20137334044 is a deficient number, since it is larger than the sum of its proper divisors (15103000540).

20137334044 is a wasteful number, since it uses less digits than its factorization.

20137334044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034333515 (or 5034333513 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 20137334044 in words is "twenty billion, one hundred thirty-seven million, three hundred thirty-four thousand, forty-four".