20453002325 has 24 divisors (see below), whose sum is σ = 28993560960. Its totient is φ = 14020689600.

The previous prime is 20453002303. The next prime is 20453002327. The reversal of 20453002325 is 52320035402.

It is not a de Polignac number, because 20453002325 - 2⁶ = 20453002261 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20453002294 and 20453002303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453002327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633320 + ... + 664830.

It is an arithmetic number, because the mean of its divisors is an integer number (1208065040).

Almost surely, 2^20453002325 is an apocalyptic number.

20453002325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20453002325 is a deficient number, since it is larger than the sum of its proper divisors (8540558635).

20453002325 is a wasteful number, since it uses less digits than its factorization.

20453002325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35237 (or 35232 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 20453002325 its reverse (52320035402), we get a palindrome (72773037727).

The spelling of 20453002325 in words is "twenty billion, four hundred fifty-three million, two thousand, three hundred twenty-five".