20325345 has 16 divisors (see below), whose sum is σ = 34232640. Its totient is φ = 10269504.

The previous prime is 20325337. The next prime is 20325379. The reversal of 20325345 is 54352302.

It is not a de Polignac number, because 20325345 - 2³ = 20325337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35374 + ... + 35943.

It is an arithmetic number, because the mean of its divisors is an integer number (2139540).

Almost surely, 2^20325345 is an apocalyptic number.

It is an amenable number.

20325345 is a deficient number, since it is larger than the sum of its proper divisors (13907295).

20325345 is a wasteful number, since it uses less digits than its factorization.

20325345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71344.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 20325345 is about 4508.3638939198. The cubic root of 20325345 is about 272.9057222527.

Adding to 20325345 its reverse (54352302), we get a palindrome (74677647).

The spelling of 20325345 in words is "twenty million, three hundred twenty-five thousand, three hundred forty-five".