1220204602 has 8 divisors (see below), whose sum is σ = 1909885536. Its totient is φ = 583576092.

The previous prime is 1220204581. The next prime is 1220204617. The reversal of 1220204602 is 2064020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1220204602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13263048 + ... + 13263139.

It is an arithmetic number, because the mean of its divisors is an integer number (238735692).

Almost surely, 2^1220204602 is an apocalyptic number.

1220204602 is a deficient number, since it is larger than the sum of its proper divisors (689680934).

1220204602 is a wasteful number, since it uses less digits than its factorization.

1220204602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26526212.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1220204602 is about 34931.4271394686. The cubic root of 1220204602 is about 1068.5894599575.

Adding to 1220204602 its reverse (2064020221), we get a palindrome (3284224823).

The spelling of 1220204602 in words is "one billion, two hundred twenty million, two hundred four thousand, six hundred two".