20322451422 has 80 divisors (see below), whose sum is σ = 56046003552. Its totient is φ = 5359763520.

The previous prime is 20322451417. The next prime is 20322451447. The reversal of 20322451422 is 22415422302.

20322451422 is a `hidden beast` number, since 203 + 2 + 2 + 451 + 4 + 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 39 ways as a sum of consecutive naturals, for example, 674529 + ... + 704012.

Almost surely, 2^20322451422 is an apocalyptic number.

20322451422 is an abundant number, since it is smaller than the sum of its proper divisors (35723552130).

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

20322451422 is a wasteful number, since it uses less digits than its factorization.

20322451422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378575 (or 1378566 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20322451422 its reverse (22415422302), we get a palindrome (42737873724).

The spelling of 20322451422 in words is "twenty billion, three hundred twenty-two million, four hundred fifty-one thousand, four hundred twenty-two".