22423230020 has 12 divisors (see below), whose sum is σ = 47088783084. Its totient is φ = 8969292000.

The previous prime is 22423230017. The next prime is 22423230043. The reversal of 22423230020 is 2003232422.

It can be written as a sum of positive squares in 2 ways, for example, as 5355897856 + 17067332164 = 73184^2 + 130642^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1121161501 = 22423230020 / (2 + 2 + 4 + 2 + 3 + 2 + 3 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22423229974 and 22423230001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560580731 + ... + 560580770.

It is an arithmetic number, because the mean of its divisors is an integer number (3924065257).

Almost surely, 2^22423230020 is an apocalyptic number.

22423230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22423230020 is an abundant number, since it is smaller than the sum of its proper divisors (24665553064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22423230020 is a wasteful number, since it uses less digits than its factorization.

22423230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121161510 (or 1121161508 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22423230020 its reverse (2003232422), we get a palindrome (24426462442).

The spelling of 22423230020 in words is "twenty-two billion, four hundred twenty-three million, two hundred thirty thousand, twenty".