20325100 has 36 divisors (see below), whose sum is σ = 46028304. Its totient is φ = 7775680.

The previous prime is 20325091. The next prime is 20325101. The reversal of 20325100 is 152302.

It is not an unprimeable number, because it can be changed into a prime (20325101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2119 + ... + 6718.

It is an arithmetic number, because the mean of its divisors is an integer number (1278564).

Almost surely, 2^20325100 is an apocalyptic number.

20325100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20325100 is an abundant number, since it is smaller than the sum of its proper divisors (25703204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20325100 is a wasteful number, since it uses less digits than its factorization.

20325100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874 (or 8867 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 20325100 is about 4508.3367221183. The cubic root of 20325100 is about 272.9046257208.

Adding to 20325100 its reverse (152302), we get a palindrome (20477402).

The spelling of 20325100 in words is "twenty million, three hundred twenty-five thousand, one hundred".