20132303121 has 72 divisors (see below), whose sum is σ = 36516242880. Its totient is φ = 10624388544.

The previous prime is 20132303111. The next prime is 20132303131. The reversal of 20132303121 is 12130323102.

It is an interprime number because it is at equal distance from previous prime (20132303111) and next prime (20132303131).

It is not a de Polignac number, because 20132303121 - 2⁹ = 20132302609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20132303094 and 20132303103.

It is not an unprimeable number, because it can be changed into a prime (20132303101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 259926 + ... + 328368.

It is an arithmetic number, because the mean of its divisors is an integer number (507170040).

Almost surely, 2^20132303121 is an apocalyptic number.

20132303121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20132303121 is a deficient number, since it is larger than the sum of its proper divisors (16383939759).

20132303121 is a wasteful number, since it uses less digits than its factorization.

20132303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68515 (or 68505 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20132303121 its reverse (12130323102), we get a palindrome (32262626223).

The spelling of 20132303121 in words is "twenty billion, one hundred thirty-two million, three hundred three thousand, one hundred twenty-one".