22120254023 has 4 divisors (see below), whose sum is σ = 25280290320. Its totient is φ = 18960217728.

The previous prime is 22120254007. The next prime is 22120254029. The reversal of 22120254023 is 32045202122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22120254023 - 2⁴ = 22120254007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22120254023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120254029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580018138 + ... + 1580018151.

It is an arithmetic number, because the mean of its divisors is an integer number (6320072580).

Almost surely, 2^22120254023 is an apocalyptic number.

22120254023 is a deficient number, since it is larger than the sum of its proper divisors (3160036297).

22120254023 is an equidigital number, since it uses as much as digits as its factorization.

22120254023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160036296.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 22120254023 its reverse (32045202122), we get a palindrome (54165456145).

The spelling of 22120254023 in words is "twenty-two billion, one hundred twenty million, two hundred fifty-four thousand, twenty-three".