1220201002 has 16 divisors (see below), whose sum is σ = 1843182432. Its totient is φ = 605817360.

The previous prime is 1220200997. The next prime is 1220201023. The reversal of 1220201002 is 2001020221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220201002.

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, 282753 + ... + 287035.

It is an arithmetic number, because the mean of its divisors is an integer number (115198902).

Almost surely, 2^1220201002 is an apocalyptic number.

1220201002 is a deficient number, since it is larger than the sum of its proper divisors (622981430).

1220201002 is a wasteful number, since it uses less digits than its factorization.

1220201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220201002 is about 34931.3756099012. The cubic root of 1220201002 is about 1068.5884090611.

Adding to 1220201002 its reverse (2001020221), we get a palindrome (3221221223).

The spelling of 1220201002 in words is "one billion, two hundred twenty million, two hundred one thousand, two".