20331120302232 has 32 divisors (see below), whose sum is σ = 50828811450480. Its totient is φ = 6776905341440.

The previous prime is 20331120302231. The next prime is 20331120302237. The reversal of 20331120302232 is 23220302113302.

It is a super-2 number, since 2×20331120302232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331120302231) 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, 7186653 + ... + 9607820.

Almost surely, 2^{20331120302232} is an apocalyptic number.

It is an amenable number.

20331120302232 is an abundant number, since it is smaller than the sum of its proper divisors (30497691148248).

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

20331120302232 is a wasteful number, since it uses less digits than its factorization.

20331120302232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16844923 (or 16844919 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20331120302232 its reverse (23220302113302), we get a palindrome (43551422415534).

The spelling of 20331120302232 in words is "twenty trillion, three hundred thirty-one billion, one hundred twenty million, three hundred two thousand, two hundred thirty-two".