20325850 has 12 divisors (see below), whose sum is σ = 37806174. Its totient is φ = 8130320.

The previous prime is 20325847. The next prime is 20325853. The reversal of 20325850 is 5852302.

It is an interprime number because it is at equal distance from previous prime (20325847) and next prime (20325853).

It can be written as a sum of positive squares in 3 ways, for example, as 18156121 + 2169729 = 4261^2 + 1473^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20325853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203209 + ... + 203308.

Almost surely, 2^20325850 is an apocalyptic number.

20325850 is a deficient number, since it is larger than the sum of its proper divisors (17480324).

20325850 is a wasteful number, since it uses less digits than its factorization.

20325850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406529 (or 406524 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 20325850 is about 4508.4199005860. The cubic root of 20325850 is about 272.9079824235.

The spelling of 20325850 in words is "twenty million, three hundred twenty-five thousand, eight hundred fifty".