2200020100 has 18 divisors (see below), whose sum is σ = 4774043834. Its totient is φ = 880008000.

The previous prime is 2200020079. The next prime is 2200020113. The reversal of 2200020100 is 10200022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 40373316 + 2159646784 = 6354^2 + 46472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11000001 + ... + 11000200.

Almost surely, 2^2200020100 is an apocalyptic number.

2200020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200020100 is an abundant number, since it is smaller than the sum of its proper divisors (2574023734).

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

2200020100 is a wasteful number, since it uses less digits than its factorization.

2200020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22000215 (or 22000208 counting only the distinct ones).

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

The square root of 2200020100 is about 46904.3718644648. The cubic root of 2200020100 is about 1300.5954077315.

Adding to 2200020100 its reverse (10200022), we get a palindrome (2210220122).

The spelling of 2200020100 in words is "two billion, two hundred million, twenty thousand, one hundred".