20605022107056 has 100 divisors (see below), whose sum is σ = 59939638162272. Its totient is φ = 6833475944064.

The previous prime is 20605022107051. The next prime is 20605022107067. The reversal of 20605022107056 is 65070122050602.

20605022107056 is a `hidden beast` number, since 2 + 0 + 60 + 502 + 21 + 0 + 70 + 5 + 6 = 666.

It is a super-3 number, since 3×20605022107056³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20605022107056.

It is not an unprimeable number, because it can be changed into a prime (20605022107051) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40097320 + ... + 40607943.

Almost surely, 2^{20605022107056} is an apocalyptic number.

It is an amenable number.

20605022107056 is an abundant number, since it is smaller than the sum of its proper divisors (39334616055216).

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

20605022107056 is a wasteful number, since it uses less digits than its factorization.

20605022107056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80705480 (or 80705465 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 20605022107056 its reverse (65070122050602), we get a palindrome (85675144157658).

The spelling of 20605022107056 in words is "twenty trillion, six hundred five billion, twenty-two million, one hundred seven thousand, fifty-six".