20351010325 has 6 divisors (see below), whose sum is σ = 25235252834. Its totient is φ = 16280808240.

The previous prime is 20351010319. The next prime is 20351010343. The reversal of 20351010325 is 52301015302.

It can be written as a sum of positive squares in 3 ways, for example, as 5044124484 + 15306885841 = 71022^2 + 123721^2 .

It is not a de Polignac number, because 20351010325 - 2²¹ = 20348913173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20351010296 and 20351010305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407020182 + ... + 407020231.

Almost surely, 2^20351010325 is an apocalyptic number.

20351010325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20351010325 is a deficient number, since it is larger than the sum of its proper divisors (4884242509).

20351010325 is an equidigital number, since it uses as much as digits as its factorization.

20351010325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814040423 (or 814040418 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 20351010325 its reverse (52301015302), we get a palindrome (72652025627).

The spelling of 20351010325 in words is "twenty billion, three hundred fifty-one million, ten thousand, three hundred twenty-five".