1220200202 has 16 divisors (see below), whose sum is σ = 2003408232. Its totient is φ = 553936320.

The previous prime is 1220200193. The next prime is 1220200217. The reversal of 1220200202 is 2020020221.

It can be written as a sum of positive squares in 4 ways, for example, as 515244601 + 704955601 = 22699^2 + 26551^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383093 + ... + 386264.

Almost surely, 2^1220200202 is an apocalyptic number.

1220200202 is a deficient number, since it is larger than the sum of its proper divisors (783208030).

1220200202 is a wasteful number, since it uses less digits than its factorization.

1220200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769433.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1220200202 is about 34931.3641588759. The cubic root of 1220200202 is about 1068.5881755283.

Adding to 1220200202 its reverse (2020020221), we get a palindrome (3240220423).

The spelling of 1220200202 in words is "one billion, two hundred twenty million, two hundred thousand, two hundred two".