20032313121232 has 20 divisors (see below), whose sum is σ = 40064626243456. Its totient is φ = 9693054735840.

The previous prime is 20032313121221. The next prime is 20032313121239. The reversal of 20032313121232 is 23212131323002.

20032313121232 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20032313121197 and 20032313121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032313121239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20193863538 + ... + 20193864529.

Almost surely, 2^{20032313121232} is an apocalyptic number.

It is an amenable number.

20032313121232 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20032313121232 is a wasteful number, since it uses less digits than its factorization.

20032313121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40387728106 (or 40387728100 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20032313121232 its reverse (23212131323002), we get a palindrome (43244444444234).

The spelling of 20032313121232 in words is "twenty trillion, thirty-two billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred thirty-two".