20330200402231 has 16 divisors (see below), whose sum is σ = 21256692736000. Its totient is φ = 19420743513600.

The previous prime is 20330200402229. The next prime is 20330200402247. The reversal of 20330200402231 is 13220400203302.

It is a cyclic number.

It is not a de Polignac number, because 20330200402231 - 2¹ = 20330200402229 is a prime.

It is a super-2 number, since 2×20330200402231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330200402201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9380695 + ... + 11342743.

It is an arithmetic number, because the mean of its divisors is an integer number (1328543296000).

Almost surely, 2^{20330200402231} is an apocalyptic number.

20330200402231 is a deficient number, since it is larger than the sum of its proper divisors (926492333769).

20330200402231 is a wasteful number, since it uses less digits than its factorization.

20330200402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966390.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20330200402231 its reverse (13220400203302), we get a palindrome (33550600605533).

The spelling of 20330200402231 in words is "twenty trillion, three hundred thirty billion, two hundred million, four hundred two thousand, two hundred thirty-one".