20444260325 has 12 divisors (see below), whose sum is σ = 25444436928. Its totient is φ = 16295050800.

The previous prime is 20444260303. The next prime is 20444260327. The reversal of 20444260325 is 52306244402.

It is a happy number.

It is not a de Polignac number, because 20444260325 - 2⁶ = 20444260261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20444260291 and 20444260300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444260327) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1502027 + ... + 1515576.

It is an arithmetic number, because the mean of its divisors is an integer number (2120369744).

Almost surely, 2^20444260325 is an apocalyptic number.

20444260325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20444260325 is a deficient number, since it is larger than the sum of its proper divisors (5000176603).

20444260325 is a wasteful number, since it uses less digits than its factorization.

20444260325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017884 (or 3017879 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The spelling of 20444260325 in words is "twenty billion, four hundred forty-four million, two hundred sixty thousand, three hundred twenty-five".