20422142022 has 16 divisors (see below), whose sum is σ = 40989640752. Its totient is φ = 6783154560.

The previous prime is 20422142021. The next prime is 20422142051. The reversal of 20422142022 is 22024122402.

It is a self number, because there is not a number n which added to its sum of digits gives 20422142022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422142021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6054703 + ... + 6058074.

It is an arithmetic number, because the mean of its divisors is an integer number (2561852547).

Almost surely, 2^20422142022 is an apocalyptic number.

20422142022 is an abundant number, since it is smaller than the sum of its proper divisors (20567498730).

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

20422142022 is a wasteful number, since it uses less digits than its factorization.

20422142022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113063.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20422142022 its reverse (22024122402), we get a palindrome (42446264424).

The spelling of 20422142022 in words is "twenty billion, four hundred twenty-two million, one hundred forty-two thousand, twenty-two".