1220000200 has 24 divisors (see below), whose sum is σ = 2836500930. Its totient is φ = 488000000.

The previous prime is 1220000191. The next prime is 1220000231. The reversal of 1220000200 is 20000221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1132053316 + 87946884 = 33646^2 + 9378^2 .

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, 3049801 + ... + 3050200.

Almost surely, 2^1220000200 is an apocalyptic number.

1220000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220000200 is an abundant number, since it is smaller than the sum of its proper divisors (1616500730).

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

1220000200 is a wasteful number, since it uses less digits than its factorization.

1220000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100017 (or 6100008 counting only the distinct ones).

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

The square root of 1220000200 is about 34928.5012561375. The cubic root of 1220000200 is about 1068.5297885385.

Adding to 1220000200 its reverse (20000221), we get a palindrome (1240000421).

The spelling of 1220000200 in words is "one billion, two hundred twenty million, two hundred", and thus it is an aban number.