1220303130 has 32 divisors (see below), whose sum is σ = 2929976064. Its totient is φ = 325275456.

The previous prime is 1220303099. The next prime is 1220303137. The reversal of 1220303130 is 313030221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1220303137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76639 + ... + 91181.

It is an arithmetic number, because the mean of its divisors is an integer number (91561752).

Almost surely, 2^1220303130 is an apocalyptic number.

1220303130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220303130 is an abundant number, since it is smaller than the sum of its proper divisors (1709672934).

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

1220303130 is a wasteful number, since it uses less digits than its factorization.

1220303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17350.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1220303130 is about 34932.8374169634. The cubic root of 1220303130 is about 1068.6182210216.

Adding to 1220303130 its reverse (313030221), we get a palindrome (1533333351).

The spelling of 1220303130 in words is "one billion, two hundred twenty million, three hundred three thousand, one hundred thirty".