20345031304325 has 96 divisors (see below), whose sum is σ = 31728185932800. Its totient is φ = 12596622336000.

The previous prime is 20345031304319. The next prime is 20345031304343. The reversal of 20345031304325 is 52340313054302.

It is not a de Polignac number, because 20345031304325 - 2⁴ = 20345031304309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 192519101 + ... + 192624749.

It is an arithmetic number, because the mean of its divisors is an integer number (330501936800).

Almost surely, 2^{20345031304325} is an apocalyptic number.

20345031304325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20345031304325 is a deficient number, since it is larger than the sum of its proper divisors (11383154628475).

20345031304325 is a wasteful number, since it uses less digits than its factorization.

20345031304325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107527 (or 107522 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 20345031304325 its reverse (52340313054302), we get a palindrome (72685344358627).

The spelling of 20345031304325 in words is "twenty trillion, three hundred forty-five billion, thirty-one million, three hundred four thousand, three hundred twenty-five".