20332213302331 has 12 divisors (see below), whose sum is σ = 23674654574472. Its totient is φ = 17410740486048.

The previous prime is 20332213302329. The next prime is 20332213302337. The reversal of 20332213302331 is 13320331223302.

It is not a de Polignac number, because 20332213302331 - 2¹ = 20332213302329 is a prime.

It is a super-2 number, since 2×20332213302331² (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 20332213302331.

It is not an unprimeable number, because it can be changed into a prime (20332213302337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200793105 + ... + 200894338.

It is an arithmetic number, because the mean of its divisors is an integer number (1972887881206).

Almost surely, 2^{20332213302331} is an apocalyptic number.

20332213302331 is a deficient number, since it is larger than the sum of its proper divisors (3342441272141).

20332213302331 is a wasteful number, since it uses less digits than its factorization.

20332213302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401688490 (or 401688483 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20332213302331 its reverse (13320331223302), we get a palindrome (33652544525633).

The spelling of 20332213302331 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirteen million, three hundred two thousand, three hundred thirty-one".