20722796022 has 16 divisors (see below), whose sum is σ = 41598531072. Its totient is φ = 6882108840.

The previous prime is 20722795981. The next prime is 20722796023. The reversal of 20722796022 is 22069722702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20722796023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6370698 + ... + 6373949.

It is an arithmetic number, because the mean of its divisors is an integer number (2599908192).

Almost surely, 2^20722796022 is an apocalyptic number.

20722796022 is an abundant number, since it is smaller than the sum of its proper divisors (20875735050).

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

20722796022 is a wasteful number, since it uses less digits than its factorization.

20722796022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744923.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 20722796022 in words is "twenty billion, seven hundred twenty-two million, seven hundred ninety-six thousand, twenty-two".