20446420622244 has 24 divisors (see below), whose sum is σ = 47934420548448. Its totient is φ = 6783172717440.

The previous prime is 20446420622237. The next prime is 20446420622273. The reversal of 20446420622244 is 44222602464402.

It is a super-2 number, since 2×20446420622244² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20446420622196 and 20446420622205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4037600277 + ... + 4037605340.

It is an arithmetic number, because the mean of its divisors is an integer number (1997267522852).

Almost surely, 2^{20446420622244} is an apocalyptic number.

It is an amenable number.

20446420622244 is an abundant number, since it is smaller than the sum of its proper divisors (27487999926204).

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

20446420622244 is a wasteful number, since it uses less digits than its factorization.

20446420622244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075205835 (or 8075205833 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 42.

The spelling of 20446420622244 in words is "twenty trillion, four hundred forty-six billion, four hundred twenty million, six hundred twenty-two thousand, two hundred forty-four".