20112524173 has 12 divisors (see below), whose sum is σ = 23404004832. Its totient is φ = 17233556760.

The previous prime is 20112524149. The next prime is 20112524191. The reversal of 20112524173 is 37142521102.

It is not a de Polignac number, because 20112524173 - 2¹⁷ = 20112393101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112524123) 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, 83368 + ... + 217198.

It is an arithmetic number, because the mean of its divisors is an integer number (1950333736).

Almost surely, 2^20112524173 is an apocalyptic number.

It is an amenable number.

20112524173 is a deficient number, since it is larger than the sum of its proper divisors (3291480659).

20112524173 is a wasteful number, since it uses less digits than its factorization.

20112524173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136912 (or 136905 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 20112524173 in words is "twenty billion, one hundred twelve million, five hundred twenty-four thousand, one hundred seventy-three".