20113750017 has 12 divisors (see below), whose sum is σ = 29073291520. Its totient is φ = 13399891128.

The previous prime is 20113749991. The next prime is 20113750021. The reversal of 20113750017 is 71005731102.

It is a happy number.

20113750017 is a `hidden beast` number, since 20 + 1 + 137 + 500 + 1 + 7 = 666.

It is not a de Polignac number, because 20113750017 - 2⁷ = 20113749889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113750117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759217 + ... + 785262.

Almost surely, 2^20113750017 is an apocalyptic number.

It is an amenable number.

20113750017 is a deficient number, since it is larger than the sum of its proper divisors (8959541503).

20113750017 is a wasteful number, since it uses less digits than its factorization.

20113750017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545932 (or 1545929 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The spelling of 20113750017 in words is "twenty billion, one hundred thirteen million, seven hundred fifty thousand, seventeen".