20075838225 has 12 divisors (see below), whose sum is σ = 33192052656. Its totient is φ = 10707113680.

The previous prime is 20075838179. The next prime is 20075838229. The reversal of 20075838225 is 52283857002.

It is not a de Polignac number, because 20075838225 - 2²⁰ = 20074789649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20075838229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133838847 + ... + 133838996.

It is an arithmetic number, because the mean of its divisors is an integer number (2766004388).

Almost surely, 2^20075838225 is an apocalyptic number.

20075838225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20075838225 is a deficient number, since it is larger than the sum of its proper divisors (13116214431).

20075838225 is a wasteful number, since it uses less digits than its factorization.

20075838225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267677856 (or 267677851 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 20075838225 in words is "twenty billion, seventy-five million, eight hundred thirty-eight thousand, two hundred twenty-five".