20137038998 has 8 divisors (see below), whose sum is σ = 30229178880. Its totient is φ = 10060646040.

The previous prime is 20137038947. The next prime is 20137039001. The reversal of 20137038998 is 89983073102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3933533 + ... + 3938648.

It is an arithmetic number, because the mean of its divisors is an integer number (3778647360).

Almost surely, 2^20137038998 is an apocalyptic number.

20137038998 is a deficient number, since it is larger than the sum of its proper divisors (10092139882).

20137038998 is a wasteful number, since it uses less digits than its factorization.

20137038998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873462.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 20137038998 in words is "twenty billion, one hundred thirty-seven million, thirty-eight thousand, nine hundred ninety-eight".