20442311042022 has 32 divisors (see below), whose sum is σ = 45428217055200. Its totient is φ = 6813974803104.

The previous prime is 20442311042011. The next prime is 20442311042149. The reversal of 20442311042022 is 22024011324402.

It is a happy number.

20442311042022 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 231 + 1 + 0 + 420 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676773 + ... + 6429824.

It is an arithmetic number, because the mean of its divisors is an integer number (1419631782975).

Almost surely, 2^{20442311042022} is an apocalyptic number.

20442311042022 is an abundant number, since it is smaller than the sum of its proper divisors (24985906013178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20442311042022 is a wasteful number, since it uses less digits than its factorization.

20442311042022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159877 (or 7159871 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20442311042022 its reverse (22024011324402), we get a palindrome (42466322366424).

The spelling of 20442311042022 in words is "twenty trillion, four hundred forty-two billion, three hundred eleven million, forty-two thousand, twenty-two".