20022617204620 has 48 divisors (see below), whose sum is σ = 42400118124000. Its totient is φ = 7942085259264.

The previous prime is 20022617204593. The next prime is 20022617204677. The reversal of 20022617204620 is 2640271622002.

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 15 ways as a sum of consecutive naturals, for example, 4822549 + ... + 7956268.

It is an arithmetic number, because the mean of its divisors is an integer number (883335794250).

Almost surely, 2^{20022617204620} is an apocalyptic number.

20022617204620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022617204620 is an abundant number, since it is smaller than the sum of its proper divisors (22377500919380).

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

20022617204620 is a wasteful number, since it uses less digits than its factorization.

20022617204620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12779482 (or 12779480 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 20022617204620 its reverse (2640271622002), we get a palindrome (22662888826622).

The spelling of 20022617204620 in words is "twenty trillion, twenty-two billion, six hundred seventeen million, two hundred four thousand, six hundred twenty".