20220620239944 has 192 divisors, whose sum is σ = 56859753600000. Its totient is φ = 6487112655360.

The previous prime is 20220620239931. The next prime is 20220620239969. The reversal of 20220620239944 is 44993202602202.

20220620239944 is a `hidden beast` number, since 202 + 206 + 2 + 0 + 239 + 9 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20220620239944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1139245182 + ... + 1139262930.

It is an arithmetic number, because the mean of its divisors is an integer number (296144550000).

Almost surely, 2^{20220620239944} is an apocalyptic number.

20220620239944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220620239944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28429876800000).

20220620239944 is an abundant number, since it is smaller than the sum of its proper divisors (36639133360056).

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

20220620239944 is a wasteful number, since it uses less digits than its factorization.

20220620239944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23388 (or 23381 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 20220620239944 in words is "twenty trillion, two hundred twenty billion, six hundred twenty million, two hundred thirty-nine thousand, nine hundred forty-four".