20332232203231 has 16 divisors (see below), whose sum is σ = 22178928486400. Its totient is φ = 18526036639968.

The previous prime is 20332232203223. The next prime is 20332232203243. The reversal of 20332232203231 is 13230223223302.

It is a happy number.

It is not a de Polignac number, because 20332232203231 - 2³ = 20332232203223 is a prime.

It is a super-2 number, since 2×20332232203231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20332232203231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332232203531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677610 + ... + 6593848.

It is an arithmetic number, because the mean of its divisors is an integer number (1386183030400).

Almost surely, 2^{20332232203231} is an apocalyptic number.

20332232203231 is a deficient number, since it is larger than the sum of its proper divisors (1846696283169).

20332232203231 is a wasteful number, since it uses less digits than its factorization.

20332232203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920358.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20332232203231 its reverse (13230223223302), we get a palindrome (33562455426533).

The spelling of 20332232203231 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-two million, two hundred three thousand, two hundred thirty-one".