20112452502 has 32 divisors (see below), whose sum is σ = 41218710624. Its totient is φ = 6538617600.

The previous prime is 20112452491. The next prime is 20112452533. The reversal of 20112452502 is 20525421102.

It is a congruent 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, 929268 + ... + 950664.

It is an arithmetic number, because the mean of its divisors is an integer number (1288084707).

Almost surely, 2^20112452502 is an apocalyptic number.

20112452502 is an abundant number, since it is smaller than the sum of its proper divisors (21106258122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112452502 is a wasteful number, since it uses less digits than its factorization.

20112452502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25264.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 20112452502 its reverse (20525421102), we get a palindrome (40637873604).

The spelling of 20112452502 in words is "twenty billion, one hundred twelve million, four hundred fifty-two thousand, five hundred two".