20122303212031 has 4 divisors (see below), whose sum is σ = 20124925701552. Its totient is φ = 20119680722512.

The previous prime is 20122303212029. The next prime is 20122303212079. The reversal of 20122303212031 is 13021230322102.

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 20122303212031 - 2¹ = 20122303212029 is a prime.

It is a super-2 number, since 2×20122303212031² (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 = 20122303211993 and 20122303212011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122303216031) 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, 1311233251 + ... + 1311248596.

It is an arithmetic number, because the mean of its divisors is an integer number (5031231425388).

Almost surely, 2^{20122303212031} is an apocalyptic number.

20122303212031 is a deficient number, since it is larger than the sum of its proper divisors (2622489521).

20122303212031 is an equidigital number, since it uses as much as digits as its factorization.

20122303212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622489520.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20122303212031 its reverse (13021230322102), we get a palindrome (33143533534133).

The spelling of 20122303212031 in words is "twenty trillion, one hundred twenty-two billion, three hundred three million, two hundred twelve thousand, thirty-one".