20413223031325 has 6 divisors (see below), whose sum is σ = 25312396558874. Its totient is φ = 16330578425040.

The previous prime is 20413223031319. The next prime is 20413223031361. The reversal of 20413223031325 is 52313032231402.

It can be written as a sum of positive squares in 3 ways, for example, as 5297192242969 + 15116030788356 = 2301563^2 + 3887934^2 .

It is not a de Polignac number, because 20413223031325 - 2³¹ = 20411075547677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 408264460602 + ... + 408264460651.

Almost surely, 2^{20413223031325} is an apocalyptic number.

20413223031325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20413223031325 is a deficient number, since it is larger than the sum of its proper divisors (4899173527549).

20413223031325 is an equidigital number, since it uses as much as digits as its factorization.

20413223031325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816528921263 (or 816528921258 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 20413223031325 its reverse (52313032231402), we get a palindrome (72726255262727).

The spelling of 20413223031325 in words is "twenty trillion, four hundred thirteen billion, two hundred twenty-three million, thirty-one thousand, three hundred twenty-five".