20065035915 has 48 divisors (see below), whose sum is σ = 35375726880. Its totient is φ = 10518128640.

The previous prime is 20065035901. The next prime is 20065035929. The reversal of 20065035915 is 51953056002.

20065035915 is a `hidden beast` number, since 2 + 0 + 0 + 65 + 0 + 3 + 591 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (20065035901) and next prime (20065035929).

It is not a de Polignac number, because 20065035915 - 2¹⁹ = 20064511627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20065035915.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7116376 + ... + 7119194.

It is an arithmetic number, because the mean of its divisors is an integer number (736994310).

Almost surely, 2^20065035915 is an apocalyptic number.

20065035915 is a deficient number, since it is larger than the sum of its proper divisors (15310690965).

20065035915 is a wasteful number, since it uses less digits than its factorization.

20065035915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 20065035915 in words is "twenty billion, sixty-five million, thirty-five thousand, nine hundred fifteen".