20132302331 has 8 divisors (see below), whose sum is σ = 20176759200. Its totient is φ = 20087896320.

The previous prime is 20132302319. The next prime is 20132302349. The reversal of 20132302331 is 13320323102.

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

It is a cyclic number.

It is not a de Polignac number, because 20132302331 - 2¹⁰ = 20132301307 is a prime.

It is a super-2 number, since 2×20132302331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20132302361) 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, 841961 + ... + 865541.

It is an arithmetic number, because the mean of its divisors is an integer number (2522094900).

Almost surely, 2^20132302331 is an apocalyptic number.

20132302331 is a deficient number, since it is larger than the sum of its proper divisors (44456869).

20132302331 is an equidigital number, since it uses as much as digits as its factorization.

20132302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25429.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20132302331 its reverse (13320323102), we get a palindrome (33452625433).

The spelling of 20132302331 in words is "twenty billion, one hundred thirty-two million, three hundred two thousand, three hundred thirty-one".