20595407158 has 16 divisors (see below), whose sum is σ = 31064403744. Its totient is φ = 10240655040.

The previous prime is 20595407153. The next prime is 20595407167. The reversal of 20595407158 is 85170459502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20595407153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925543 + ... + 947533.

It is an arithmetic number, because the mean of its divisors is an integer number (1941525234).

Almost surely, 2^20595407158 is an apocalyptic number.

20595407158 is a deficient number, since it is larger than the sum of its proper divisors (10468996586).

20595407158 is a wasteful number, since it uses less digits than its factorization.

20595407158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24567.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 20595407158 in words is "twenty billion, five hundred ninety-five million, four hundred seven thousand, one hundred fifty-eight".