20022573251671 has 8 divisors (see below), whose sum is σ = 20051586126000. Its totient is φ = 19993561660800.

The previous prime is 20022573251663. The next prime is 20022573251677. The reversal of 20022573251671 is 17615237522002.

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 20022573251671 - 2³ = 20022573251663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022573251677) 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, 33477055 + ... + 34069903.

It is an arithmetic number, because the mean of its divisors is an integer number (2506448265750).

Almost surely, 2^{20022573251671} is an apocalyptic number.

20022573251671 is a deficient number, since it is larger than the sum of its proper divisors (29012874329).

20022573251671 is an equidigital number, since it uses as much as digits as its factorization.

20022573251671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641729.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 20022573251671 in words is "twenty trillion, twenty-two billion, five hundred seventy-three million, two hundred fifty-one thousand, six hundred seventy-one".