20132100205 has 16 divisors (see below), whose sum is σ = 27693166464. Its totient is φ = 13763154240.

The previous prime is 20132100193. The next prime is 20132100221. The reversal of 20132100205 is 50200123102.

It is not a de Polignac number, because 20132100205 - 2⁵ = 20132100173 is a prime.

It is a super-2 number, since 2×20132100205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857302 + ... + 880471.

It is an arithmetic number, because the mean of its divisors is an integer number (1730822904).

Almost surely, 2^20132100205 is an apocalyptic number.

It is an amenable number.

20132100205 is a deficient number, since it is larger than the sum of its proper divisors (7561066259).

20132100205 is a wasteful number, since it uses less digits than its factorization.

20132100205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738116.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20132100205 its reverse (50200123102), we get a palindrome (70332223307).

The spelling of 20132100205 in words is "twenty billion, one hundred thirty-two million, one hundred thousand, two hundred five".