20525112038 has 4 divisors (see below), whose sum is σ = 30787668060. Its totient is φ = 10262556018.

The previous prime is 20525112037. The next prime is 20525112043. The reversal of 20525112038 is 83021152502.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20525112038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20525112037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5131278008 + ... + 5131278011.

It is an arithmetic number, because the mean of its divisors is an integer number (7696917015).

Almost surely, 2^20525112038 is an apocalyptic number.

20525112038 is a deficient number, since it is larger than the sum of its proper divisors (10262556022).

20525112038 is a wasteful number, since it uses less digits than its factorization.

20525112038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262556021.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 20525112038 in words is "twenty billion, five hundred twenty-five million, one hundred twelve thousand, thirty-eight".