20442022573 has 8 divisors (see below), whose sum is σ = 24115934720. Its totient is φ = 16956516240.

The previous prime is 20442022561. The next prime is 20442022621. The reversal of 20442022573 is 37522024402.

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 20442022573 - 2⁹ = 20442022061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442002573) 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, 47101218 + ... + 47101651.

It is an arithmetic number, because the mean of its divisors is an integer number (3014491840).

Almost surely, 2^20442022573 is an apocalyptic number.

It is an amenable number.

20442022573 is a deficient number, since it is larger than the sum of its proper divisors (3673912147).

20442022573 is an equidigital number, since it uses as much as digits as its factorization.

20442022573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94202907.

The product of its (nonzero) digits is 26880, while the sum is 31.

Adding to 20442022573 its reverse (37522024402), we get a palindrome (57964046975).

The spelling of 20442022573 in words is "twenty billion, four hundred forty-two million, twenty-two thousand, five hundred seventy-three".