1220552010202 has 24 divisors (see below), whose sum is σ = 2133247446144. Its totient is φ = 522231924312.

The previous prime is 1220552010163. The next prime is 1220552010203. The reversal of 1220552010202 is 2020102550221.

It is a super-2 number, since 2×1220552010202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220552010203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10199668 + ... + 10318639.

It is an arithmetic number, because the mean of its divisors is an integer number (88885310256).

Almost surely, 2^{1220552010202} is an apocalyptic number.

1220552010202 is a deficient number, since it is larger than the sum of its proper divisors (912695435942).

1220552010202 is a wasteful number, since it uses less digits than its factorization.

1220552010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20518930 (or 20518923 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 1220552010202 its reverse (2020102550221), we get a palindrome (3240654560423).

The spelling of 1220552010202 in words is "one trillion, two hundred twenty billion, five hundred fifty-two million, ten thousand, two hundred two".