20023312160 has 48 divisors (see below), whose sum is σ = 48936295800. Its totient is φ = 7733139456.

The previous prime is 20023312123. The next prime is 20023312187. The reversal of 20023312160 is 6121332002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13983535504 + 6039776656 = 118252^2 + 77716^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 2153045 + ... + 2162324.

Almost surely, 2^20023312160 is an apocalyptic number.

20023312160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023312160 is an abundant number, since it is smaller than the sum of its proper divisors (28912983640).

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

20023312160 is a wasteful number, since it uses less digits than its factorization.

20023312160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315413 (or 4315405 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20023312160 its reverse (6121332002), we get a palindrome (26144644162).

The spelling of 20023312160 in words is "twenty billion, twenty-three million, three hundred twelve thousand, one hundred sixty".