20012210302311 has 6 divisors (see below), whose sum is σ = 28906525992240. Its totient is φ = 13341473534868.

The previous prime is 20012210302267. The next prime is 20012210302351. The reversal of 20012210302311 is 11320301221002.

20012210302311 is a `hidden beast` number, since 20 + 0 + 1 + 22 + 10 + 302 + 311 = 666.

It is not a de Polignac number, because 20012210302311 - 2²³ = 20012201913703 is a prime.

It is a super-2 number, since 2×20012210302311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012210302351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111789461231 + ... + 1111789461248.

It is an arithmetic number, because the mean of its divisors is an integer number (4817754332040).

Almost surely, 2^{20012210302311} is an apocalyptic number.

20012210302311 is a deficient number, since it is larger than the sum of its proper divisors (8894315689929).

20012210302311 is a wasteful number, since it uses less digits than its factorization.

20012210302311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223578922485 (or 2223578922482 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20012210302311 its reverse (11320301221002), we get a palindrome (31332511523313).

The spelling of 20012210302311 in words is "twenty trillion, twelve billion, two hundred ten million, three hundred two thousand, three hundred eleven".