20622116661300 has 864 divisors, whose sum is σ = 82374644352000. Its totient is φ = 4277756448000.

The previous prime is 20622116661221. The next prime is 20622116661317. The reversal of 20622116661300 is 316661122602.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2101933395 + ... + 2101943205.

Almost surely, 2^{20622116661300} is an apocalyptic number.

20622116661300 is a gapful number since it is divisible by the number (20) 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 20622116661300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41187322176000).

20622116661300 is an abundant number, since it is smaller than the sum of its proper divisors (61752527690700).

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

20622116661300 is a wasteful number, since it uses less digits than its factorization.

20622116661300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10482 (or 10458 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 20622116661300 its reverse (316661122602), we get a palindrome (20938777783902).

The spelling of 20622116661300 in words is "twenty trillion, six hundred twenty-two billion, one hundred sixteen million, six hundred sixty-one thousand, three hundred".