20822442468028 has 12 divisors (see below), whose sum is σ = 36439306318800. Its totient is φ = 10411212091232.

The previous prime is 20822442468019. The next prime is 20822442468067. The reversal of 20822442468028 is 82086424422802.

It is a super-2 number, since 2×20822442468028² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7383000 + ... + 9805792.

It is an arithmetic number, because the mean of its divisors is an integer number (3036608859900).

Almost surely, 2^{20822442468028} is an apocalyptic number.

It is an amenable number.

20822442468028 is a deficient number, since it is larger than the sum of its proper divisors (15616863850772).

20822442468028 is a wasteful number, since it uses less digits than its factorization.

20822442468028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571396 (or 4571394 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 52.

The spelling of 20822442468028 in words is "twenty trillion, eight hundred twenty-two billion, four hundred forty-two million, four hundred sixty-eight thousand, twenty-eight".