20352100 has 36 divisors (see below), whose sum is σ = 44386048. Its totient is φ = 8100000.

The previous prime is 20352083. The next prime is 20352107. The reversal of 20352100 is 125302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352107) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 26725 + ... + 27475.

Almost surely, 2^20352100 is an apocalyptic number.

20352100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20352100 is an abundant number, since it is smaller than the sum of its proper divisors (24033948).

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

20352100 is a wasteful number, since it uses less digits than its factorization.

20352100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1029 counting only the distinct ones).

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

The square root of 20352100 is about 4511.3301807782. The cubic root of 20352100 is about 273.0254150329.

Adding to 20352100 its reverse (125302), we get a palindrome (20477402).

The spelling of 20352100 in words is "twenty million, three hundred fifty-two thousand, one hundred".