20325446 has 4 divisors (see below), whose sum is σ = 30488172. Its totient is φ = 10162722.

The previous prime is 20325443. The next prime is 20325451. The reversal of 20325446 is 64452302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5081360 + ... + 5081363.

It is an arithmetic number, because the mean of its divisors is an integer number (7622043).

Almost surely, 2^20325446 is an apocalyptic number.

20325446 is a deficient number, since it is larger than the sum of its proper divisors (10162726).

20325446 is a wasteful number, since it uses less digits than its factorization.

20325446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10162725.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 20325446 is about 4508.3750953087. The cubic root of 20325446 is about 272.9061742899.

Adding to 20325446 its reverse (64452302), we get a palindrome (84777748).

The spelling of 20325446 in words is "twenty million, three hundred twenty-five thousand, four hundred forty-six".