20116510245 has 96 divisors (see below), whose sum is σ = 39164342400. Its totient is φ = 9791248896.

The previous prime is 20116510237. The next prime is 20116510247. The reversal of 20116510245 is 54201561102.

20116510245 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 651 + 0 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 20116510245 - 2³ = 20116510237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116510247) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2025582 + ... + 2035488.

It is an arithmetic number, because the mean of its divisors is an integer number (407961900).

Almost surely, 2^20116510245 is an apocalyptic number.

It is an amenable number.

20116510245 is a deficient number, since it is larger than the sum of its proper divisors (19047832155).

20116510245 is a wasteful number, since it uses less digits than its factorization.

20116510245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036 (or 10017 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 20116510245 in words is "twenty billion, one hundred sixteen million, five hundred ten thousand, two hundred forty-five".