20052015147 has 24 divisors (see below), whose sum is σ = 29373661824. Its totient is φ = 13179106944.

The previous prime is 20052015127. The next prime is 20052015157. The reversal of 20052015147 is 74151025002.

It is not a de Polignac number, because 20052015147 - 2¹¹ = 20052013099 is a prime.

It is a super-2 number, since 2×20052015147² (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 20052015147.

It is not an unprimeable number, because it can be changed into a prime (20052015127) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1911238 + ... + 1921700.

It is an arithmetic number, because the mean of its divisors is an integer number (1223902576).

Almost surely, 2^20052015147 is an apocalyptic number.

20052015147 is a deficient number, since it is larger than the sum of its proper divisors (9321646677).

20052015147 is a wasteful number, since it uses less digits than its factorization.

20052015147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13459 (or 13456 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 20052015147 in words is "twenty billion, fifty-two million, fifteen thousand, one hundred forty-seven".