20330033312331 has 8 divisors (see below), whose sum is σ = 30118567870160. Its totient is φ = 13553355541536.

The previous prime is 20330033312317. The next prime is 20330033312359. The reversal of 20330033312331 is 13321333003302.

20330033312331 is a `hidden beast` number, since 2 + 0 + 3 + 300 + 3 + 331 + 23 + 3 + 1 = 666.

It is not a de Polignac number, because 20330033312331 - 2²² = 20330029118027 is a prime.

It is a super-2 number, since 2×20330033312331² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 752964196753 = 20330033312331 / (2 + 0 + 3 + 3 + 0 + 0 + 3 + 3 + 3 + 1 + 2 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330033312295 and 20330033312304.

It is not an unprimeable number, because it can be changed into a prime (20330033312371) 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, 376482098350 + ... + 376482098403.

It is an arithmetic number, because the mean of its divisors is an integer number (3764820983770).

Almost surely, 2^{20330033312331} is an apocalyptic number.

20330033312331 is a deficient number, since it is larger than the sum of its proper divisors (9788534557829).

20330033312331 is an equidigital number, since it uses as much as digits as its factorization.

20330033312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752964196762 (or 752964196756 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 20330033312331 its reverse (13321333003302), we get a palindrome (33651366315633).

The spelling of 20330033312331 in words is "twenty trillion, three hundred thirty billion, thirty-three million, three hundred twelve thousand, three hundred thirty-one".