20163788601 has 24 divisors (see below), whose sum is σ = 29569538880. Its totient is φ = 12212951520.

The previous prime is 20163788599. The next prime is 20163788609. The reversal of 20163788601 is 10688736102.

It is not a de Polignac number, because 20163788601 - 2¹ = 20163788599 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 604116 + ... + 636618.

It is an arithmetic number, because the mean of its divisors is an integer number (1232064120).

Almost surely, 2^20163788601 is an apocalyptic number.

It is an amenable number.

20163788601 is a deficient number, since it is larger than the sum of its proper divisors (9405750279).

20163788601 is a wasteful number, since it uses less digits than its factorization.

20163788601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34237 (or 34226 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 20163788601 in words is "twenty billion, one hundred sixty-three million, seven hundred eighty-eight thousand, six hundred one".