20204038158 has 32 divisors (see below), whose sum is σ = 40977189792. Its totient is φ = 6639897600.

The previous prime is 20204038157. The next prime is 20204038207. The reversal of 20204038158 is 85183040202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204038157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403638 + ... + 1417958.

It is an arithmetic number, because the mean of its divisors is an integer number (1280537181).

Almost surely, 2^20204038158 is an apocalyptic number.

20204038158 is an abundant number, since it is smaller than the sum of its proper divisors (20773151634).

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

20204038158 is a wasteful number, since it uses less digits than its factorization.

20204038158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17620.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 20204038158 in words is "twenty billion, two hundred four million, thirty-eight thousand, one hundred fifty-eight".