20422626426 has 12 divisors (see below), whose sum is σ = 44249023962. Its totient is φ = 6807542136.

The previous prime is 20422626421. The next prime is 20422626467. The reversal of 20422626426 is 62462622402.

20422626426 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 2 + 6 + 2 + 642 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20105822025 + 316804401 = 141795^2 + 17799^2 .

It is not an unprimeable number, because it can be changed into a prime (20422626421) 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, 567295161 + ... + 567295196.

Almost surely, 2^20422626426 is an apocalyptic number.

20422626426 is an abundant number, since it is smaller than the sum of its proper divisors (23826397536).

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

20422626426 is a wasteful number, since it uses less digits than its factorization.

20422626426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134590365 (or 1134590362 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 20422626426 in words is "twenty billion, four hundred twenty-two million, six hundred twenty-six thousand, four hundred twenty-six".