20202234104231 has 4 divisors (see below), whose sum is σ = 20202245606592. Its totient is φ = 20202222601872.

The previous prime is 20202234104219. The next prime is 20202234104243. The reversal of 20202234104231 is 13240143220202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (20202234104219) and next prime (20202234104243).

It is a cyclic number.

It is not a de Polignac number, because 20202234104231 - 2⁴² = 15804187593127 is a prime.

It is a super-2 number, since 2×20202234104231² (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 20202234104231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202234004231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506430 + ... + 6832763.

It is an arithmetic number, because the mean of its divisors is an integer number (5050561401648).

Almost surely, 2^{20202234104231} is an apocalyptic number.

20202234104231 is a deficient number, since it is larger than the sum of its proper divisors (11502361).

20202234104231 is an equidigital number, since it uses as much as digits as its factorization.

20202234104231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502360.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20202234104231 its reverse (13240143220202), we get a palindrome (33442377324433).

The spelling of 20202234104231 in words is "twenty trillion, two hundred two billion, two hundred thirty-four million, one hundred four thousand, two hundred thirty-one".