22620566677500 has 720 divisors, whose sum is σ = 78557903424000. Its totient is φ = 5441022720000.

The previous prime is 22620566677493. The next prime is 22620566677519. The reversal of 22620566677500 is 577666502622.

It is a super-2 number, since 2×22620566677500² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 22418796996 + ... + 22418798004.

It is an arithmetic number, because the mean of its divisors is an integer number (109108199200).

Almost surely, 2^{22620566677500} is an apocalyptic number.

22620566677500 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 22620566677500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39278951712000).

22620566677500 is an abundant number, since it is smaller than the sum of its proper divisors (55937336746500).

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

22620566677500 is a wasteful number, since it uses less digits than its factorization.

22620566677500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 22620566677500 in words is "twenty-two trillion, six hundred twenty billion, five hundred sixty-six million, six hundred seventy-seven thousand, five hundred".