20002200311231 has 4 divisors (see below), whose sum is σ = 20871861194352. Its totient is φ = 19132539428112.

The previous prime is 20002200311213. The next prime is 20002200311309. The reversal of 20002200311231 is 13211300220002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20002200311231 - 2⁶ = 20002200311167 is a prime.

It is a super-2 number, since 2×20002200311231² (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 (20002200311201) 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, 434830441526 + ... + 434830441571.

It is an arithmetic number, because the mean of its divisors is an integer number (5217965298588).

Almost surely, 2^{20002200311231} is an apocalyptic number.

20002200311231 is a deficient number, since it is larger than the sum of its proper divisors (869660883121).

20002200311231 is an equidigital number, since it uses as much as digits as its factorization.

20002200311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869660883120.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20002200311231 its reverse (13211300220002), we get a palindrome (33213500531233).

The spelling of 20002200311231 in words is "twenty trillion, two billion, two hundred million, three hundred eleven thousand, two hundred thirty-one".