20330030302331 has 16 divisors (see below), whose sum is σ = 20569942528128. Its totient is φ = 20091214080000.

The previous prime is 20330030302303. The next prime is 20330030302363. The reversal of 20330030302331 is 13320303003302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330030302331 is a prime.

It is a super-2 number, since 2×20330030302331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330030302297 and 20330030302306.

It is not an unprimeable number, because it can be changed into a prime (20330030302301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106435445 + ... + 106626281.

It is an arithmetic number, because the mean of its divisors is an integer number (1285621408008).

Almost surely, 2^{20330030302331} is an apocalyptic number.

20330030302331 is a deficient number, since it is larger than the sum of its proper divisors (239912225797).

20330030302331 is a wasteful number, since it uses less digits than its factorization.

20330030302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193702.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 20330030302331 its reverse (13320303003302), we get a palindrome (33650333305633).

The spelling of 20330030302331 in words is "twenty trillion, three hundred thirty billion, thirty million, three hundred two thousand, three hundred thirty-one".