200120000100 has 36 divisors (see below), whose sum is σ = 579013867824. Its totient is φ = 53365333280.

The previous prime is 200120000099. The next prime is 200120000107. The reversal of 200120000100 is 1000021002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (200120000107) 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, 333533034 + ... + 333533633.

Almost surely, 2^200120000100 is an apocalyptic number.

200120000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120000100 is an abundant number, since it is smaller than the sum of its proper divisors (378893867724).

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

200120000100 is a wasteful number, since it uses less digits than its factorization.

200120000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667066684 (or 667066677 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 200120000100 its reverse (1000021002), we get a palindrome (201120021102).

The spelling of 200120000100 in words is "two hundred billion, one hundred twenty million, one hundred", and thus it is an aban number.