20360100 has 36 divisors (see below), whose sum is σ = 58909424. Its totient is φ = 5429280.

The previous prime is 20360089. The next prime is 20360143. The reversal of 20360100 is 106302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 33634 + ... + 34233.

Almost surely, 2^20360100 is an apocalyptic number.

20360100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20360100 is an abundant number, since it is smaller than the sum of its proper divisors (38549324).

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

20360100 is a wasteful number, since it uses less digits than its factorization.

20360100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67884 (or 67877 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20360100 is about 4512.2167501130. The cubic root of 20360100 is about 273.0611839412.

Adding to 20360100 its reverse (106302), we get a palindrome (20466402).

The spelling of 20360100 in words is "twenty million, three hundred sixty thousand, one hundred".