20022422664687 has 8 divisors (see below), whose sum is σ = 28266949644336. Its totient is φ = 12563088730752.

The previous prime is 20022422664659. The next prime is 20022422664691. The reversal of 20022422664687 is 78646622422002.

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

It is not a de Polignac number, because 20022422664687 - 2⁶ = 20022422664623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 392596522837 = 20022422664687 / (2 + 0 + 0 + 2 + 2 + 4 + 2 + 2 + 6 + 6 + 4 + 6 + 8 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022422664637) 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, 196298261368 + ... + 196298261469.

It is an arithmetic number, because the mean of its divisors is an integer number (3533368705542).

Almost surely, 2^{20022422664687} is an apocalyptic number.

20022422664687 is a deficient number, since it is larger than the sum of its proper divisors (8244526979649).

20022422664687 is a wasteful number, since it uses less digits than its factorization.

20022422664687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392596522857.

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 20022422664687 in words is "twenty trillion, twenty-two billion, four hundred twenty-two million, six hundred sixty-four thousand, six hundred eighty-seven".