200000020100 has 36 divisors (see below), whose sum is σ = 435386693364. Its totient is φ = 79744404480.

The previous prime is 200000020027. The next prime is 200000020133. The reversal of 200000020100 is 1020000002.

It can be written as a sum of positive squares in 6 ways, for example, as 113903550016 + 86096470084 = 337496^2 + 293422^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3163589 + ... + 3226188.

Almost surely, 2^200000020100 is an apocalyptic number.

200000020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200000020100 is an abundant number, since it is smaller than the sum of its proper divisors (235386673264).

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

200000020100 is a wasteful number, since it uses less digits than its factorization.

200000020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390104 (or 6390097 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 200000020100 its reverse (1020000002), we get a palindrome (201020020102).

The spelling of 200000020100 in words is "two hundred billion, twenty thousand, one hundred".