20135022875 has 16 divisors (see below), whose sum is σ = 27412920288. Its totient is φ = 14643652000.

The previous prime is 20135022851. The next prime is 20135022881. The reversal of 20135022875 is 57822053102.

It is not a de Polignac number, because 20135022875 - 2⁸ = 20135022619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7320452 + ... + 7323201.

It is an arithmetic number, because the mean of its divisors is an integer number (1713307518).

Almost surely, 2^20135022875 is an apocalyptic number.

20135022875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20135022875 is a deficient number, since it is larger than the sum of its proper divisors (7277897413).

20135022875 is a wasteful number, since it uses less digits than its factorization.

20135022875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14643679 (or 14643669 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 20135022875 its reverse (57822053102), we get a palindrome (77957075977).

The spelling of 20135022875 in words is "twenty billion, one hundred thirty-five million, twenty-two thousand, eight hundred seventy-five".