200001000100 has 36 divisors (see below), whose sum is σ = 473456915568. Its totient is φ = 72727636000.

The previous prime is 200001000079. The next prime is 200001000109. The reversal of 200001000100 is 1000100002.

It is a Harshad number since it is a multiple of its sum of digits (4).

200001000100 is a modest number, since divided by 1000100 gives 2000 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 200001000100.

It is not an unprimeable number, because it can be changed into a prime (200001000109) 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, 90908446 + ... + 90910645.

It is an arithmetic number, because the mean of its divisors is an integer number (13151580988).

Almost surely, 2^200001000100 is an apocalyptic number.

200001000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001000100 is an abundant number, since it is smaller than the sum of its proper divisors (273455915468).

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

200001000100 is a wasteful number, since it uses less digits than its factorization.

200001000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181819116 (or 181819109 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 200001000100 its reverse (1000100002), we get a palindrome (201001100102).

It can be divided in two parts, 20000 and 1000100, that added together give a square (1020100 = 1010²).

The spelling of 200001000100 in words is "two hundred billion, one million, one hundred", and thus it is an aban number.