20622524313661 has 8 divisors (see below), whose sum is σ = 20667348390240. Its totient is φ = 20577747497808.

The previous prime is 20622524313607. The next prime is 20622524313719. The reversal of 20622524313661 is 16631342522602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20622524313661 - 2²⁵ = 20622490759229 is a prime.

It is a super-2 number, since 2×20622524313661² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622524314661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10941451 + ... + 12687016.

It is an arithmetic number, because the mean of its divisors is an integer number (2583418548780).

Almost surely, 2^{20622524313661} is an apocalyptic number.

It is an amenable number.

20622524313661 is a deficient number, since it is larger than the sum of its proper divisors (44824076579).

20622524313661 is a wasteful number, since it uses less digits than its factorization.

20622524313661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23630363.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 20622524313661 in words is "twenty trillion, six hundred twenty-two billion, five hundred twenty-four million, three hundred thirteen thousand, six hundred sixty-one".