20223044425 has 6 divisors (see below), whose sum is σ = 25076575118. Its totient is φ = 16178435520.

The previous prime is 20223044417. The next prime is 20223044477. The reversal of 20223044425 is 52444032202.

It can be written as a sum of positive squares in 3 ways, for example, as 6605788176 + 13617256249 = 81276^2 + 116693^2 .

It is not a de Polignac number, because 20223044425 - 2³ = 20223044417 is a prime.

It is a super-3 number, since 3×20223044425³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223044393 and 20223044402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404460864 + ... + 404460913.

Almost surely, 2^20223044425 is an apocalyptic number.

20223044425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20223044425 is a deficient number, since it is larger than the sum of its proper divisors (4853530693).

20223044425 is an equidigital number, since it uses as much as digits as its factorization.

20223044425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808921787 (or 808921782 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 20223044425 its reverse (52444032202), we get a palindrome (72667076627).

The spelling of 20223044425 in words is "twenty billion, two hundred twenty-three million, forty-four thousand, four hundred twenty-five".