20100200200 has 48 divisors (see below), whose sum is σ = 46937146500. Its totient is φ = 8004952320.

The previous prime is 20100200173. The next prime is 20100200249. The reversal of 20100200200 is 200200102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 18203946084 + 1896254116 = 134922^2 + 43546^2 .

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, 173635 + ... + 265234.

Almost surely, 2^20100200200 is an apocalyptic number.

20100200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100200200 is an abundant number, since it is smaller than the sum of its proper divisors (26836946300).

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

20100200200 is a wasteful number, since it uses less digits than its factorization.

20100200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439114 (or 439105 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20100200200 its reverse (200200102), we get a palindrome (20300400302).

The spelling of 20100200200 in words is "twenty billion, one hundred million, two hundred thousand, two hundred".