100200200000 has 84 divisors (see below), whose sum is σ = 248528054124. Its totient is φ = 40080000000.

The previous prime is 100200199951. The next prime is 100200200039. The reversal of 100200200000 is 2002001.

It can be written as a sum of positive squares in 6 ways, for example, as 100048220416 + 151979584 = 316304^2 + 12328^2 .

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

It is a congruent number.

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, 50501 + ... + 450500.

It is an arithmetic number, because the mean of its divisors is an integer number (2958667311).

Almost surely, 2^100200200000 is an apocalyptic number.

100200200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100200200000 is an abundant number, since it is smaller than the sum of its proper divisors (148327854124).

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

100200200000 is an frugal number, since it uses more digits than its factorization.

100200200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501038 (or 501008 counting only the distinct ones).

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

Adding to 100200200000 its reverse (2002001), we get a palindrome (100202202001).

The spelling of 100200200000 in words is "one hundred billion, two hundred million, two hundred thousand".