20103311164 has 12 divisors (see below), whose sum is σ = 35195331024. Its totient is φ = 10047502304.

The previous prime is 20103311159. The next prime is 20103311177. The reversal of 20103311164 is 46111330102.

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, 1027417 + ... + 1046800.

It is an arithmetic number, because the mean of its divisors is an integer number (2932944252).

Almost surely, 2^20103311164 is an apocalyptic number.

It is an amenable number.

20103311164 is a deficient number, since it is larger than the sum of its proper divisors (15092019860).

20103311164 is a wasteful number, since it uses less digits than its factorization.

20103311164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076644 (or 2076642 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20103311164 its reverse (46111330102), we get a palindrome (66214641266).

The spelling of 20103311164 in words is "twenty billion, one hundred three million, three hundred eleven thousand, one hundred sixty-four".