20132525121 has 8 divisors (see below), whose sum is σ = 26970587424. Its totient is φ = 13358073120.

The previous prime is 20132525113. The next prime is 20132525129. The reversal of 20132525121 is 12152523102.

It is an interprime number because it is at equal distance from previous prime (20132525113) and next prime (20132525129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20132525121 - 2³ = 20132525113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20132525091 and 20132525100.

It is not an unprimeable number, because it can be changed into a prime (20132525129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15901836 + ... + 15903101.

It is an arithmetic number, because the mean of its divisors is an integer number (3371323428).

Almost surely, 2^20132525121 is an apocalyptic number.

It is an amenable number.

20132525121 is a deficient number, since it is larger than the sum of its proper divisors (6838062303).

20132525121 is a wasteful number, since it uses less digits than its factorization.

20132525121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31805151.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 20132525121 in words is "twenty billion, one hundred thirty-two million, five hundred twenty-five thousand, one hundred twenty-one".