1220213202 has 32 divisors (see below), whose sum is σ = 2630916288. Its totient is φ = 375055296.

The previous prime is 1220213191. The next prime is 1220213207. The reversal of 1220213202 is 2023120221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220213207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71293 + ... + 86735.

It is an arithmetic number, because the mean of its divisors is an integer number (82216134).

Almost surely, 2^1220213202 is an apocalyptic number.

1220213202 is an abundant number, since it is smaller than the sum of its proper divisors (1410703086).

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

1220213202 is a wasteful number, since it uses less digits than its factorization.

1220213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16474.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1220213202 is about 34931.5502375718. The cubic root of 1220213202 is about 1068.5919704238.

Adding to 1220213202 its reverse (2023120221), we get a palindrome (3243333423).

The spelling of 1220213202 in words is "one billion, two hundred twenty million, two hundred thirteen thousand, two hundred two".