20273315715 has 64 divisors (see below), whose sum is σ = 37097625600. Its totient is φ = 10498118400.

The previous prime is 20273315701. The next prime is 20273315731. The reversal of 20273315715 is 51751337202.

It is a happy number.

20273315715 is a `hidden beast` number, since 2 + 0 + 273 + 315 + 71 + 5 = 666.

It is not a de Polignac number, because 20273315715 - 2¹¹ = 20273313667 is a prime.

It is a super-2 number, since 2×20273315715² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20273315715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1159206 + ... + 1176564.

It is an arithmetic number, because the mean of its divisors is an integer number (579650400).

Almost surely, 2^20273315715 is an apocalyptic number.

20273315715 is a deficient number, since it is larger than the sum of its proper divisors (16824309885).

20273315715 is a wasteful number, since it uses less digits than its factorization.

20273315715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17625 (or 17619 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 20273315715 in words is "twenty billion, two hundred seventy-three million, three hundred fifteen thousand, seven hundred fifteen".