20125115132 has 24 divisors (see below), whose sum is σ = 35748733776. Its totient is φ = 9912284928.

The previous prime is 20125115111. The next prime is 20125115141. The reversal of 20125115132 is 23151152102.

It is a junction number, because it is equal to n+sod(n) for n = 20125115098 and 20125115107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62903 + ... + 210254.

It is an arithmetic number, because the mean of its divisors is an integer number (1489530574).

Almost surely, 2^20125115132 is an apocalyptic number.

It is an amenable number.

20125115132 is a deficient number, since it is larger than the sum of its proper divisors (15623618644).

20125115132 is a wasteful number, since it uses less digits than its factorization.

20125115132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273437 (or 273435 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 20125115132 its reverse (23151152102), we get a palindrome (43276267234).

The spelling of 20125115132 in words is "twenty billion, one hundred twenty-five million, one hundred fifteen thousand, one hundred thirty-two".