1220313002 has 8 divisors (see below), whose sum is σ = 1830939012. Its totient is φ = 610000000.

The previous prime is 1220312999. The next prime is 1220313013. The reversal of 1220313002 is 2003130221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 957840601 + 262472401 = 30949^2 + 16201^2 .

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

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, 68249 + ... + 84252.

Almost surely, 2^1220313002 is an apocalyptic number.

1220313002 is a deficient number, since it is larger than the sum of its proper divisors (610626010).

1220313002 is a wasteful number, since it uses less digits than its factorization.

1220313002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156504.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1220313002 is about 34932.9787163935. The cubic root of 1220313002 is about 1068.6211026474.

Adding to 1220313002 its reverse (2003130221), we get a palindrome (3223443223).

The spelling of 1220313002 in words is "one billion, two hundred twenty million, three hundred thirteen thousand, two".