20163788600 has 24 divisors (see below), whose sum is σ = 46880808960. Its totient is φ = 8065515360.

The previous prime is 20163788599. The next prime is 20163788609. The reversal of 20163788600 is 688736102.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20163788609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50409272 + ... + 50409671.

It is an arithmetic number, because the mean of its divisors is an integer number (1953367040).

Almost surely, 2^20163788600 is an apocalyptic number.

20163788600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20163788600 is an abundant number, since it is smaller than the sum of its proper divisors (26717020360).

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

20163788600 is a wasteful number, since it uses less digits than its factorization.

20163788600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100818959 (or 100818950 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 20163788600 in words is "twenty billion, one hundred sixty-three million, seven hundred eighty-eight thousand, six hundred".