20325602 has 16 divisors (see below), whose sum is σ = 33439392. Its totient is φ = 9189120.

The previous prime is 20325581. The next prime is 20325619. The reversal of 20325602 is 20652302.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853 + ... + 6639.

It is an arithmetic number, because the mean of its divisors is an integer number (2089962).

Almost surely, 2^20325602 is an apocalyptic number.

20325602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20325602 is a deficient number, since it is larger than the sum of its proper divisors (13113790).

20325602 is a wasteful number, since it uses less digits than its factorization.

20325602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20325602 is about 4508.3923964092. The cubic root of 20325602 is about 272.9068724829.

Adding to 20325602 its reverse (20652302), we get a palindrome (40977904).

The spelling of 20325602 in words is "twenty million, three hundred twenty-five thousand, six hundred two".