22120200023 has 4 divisors (see below), whose sum is σ = 22431752208. Its totient is φ = 21808647840.

The previous prime is 22120200019. The next prime is 22120200043. The reversal of 22120200023 is 32000202122.

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 22120200023 - 2² = 22120200019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120199980 and 22120200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120200043) 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, 155775986 + ... + 155776127.

It is an arithmetic number, because the mean of its divisors is an integer number (5607938052).

Almost surely, 2^22120200023 is an apocalyptic number.

22120200023 is a deficient number, since it is larger than the sum of its proper divisors (311552185).

22120200023 is an equidigital number, since it uses as much as digits as its factorization.

22120200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311552184.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22120200023 its reverse (32000202122), we get a palindrome (54120402145).

The spelling of 22120200023 in words is "twenty-two billion, one hundred twenty million, two hundred thousand, twenty-three".