1220202330 has 64 divisors (see below), whose sum is σ = 2957126400. Its totient is φ = 322223616.

The previous prime is 1220202323. The next prime is 1220202349. The reversal of 1220202330 is 332020221.

It is a super-2 number, since 2×1220202330² = 2977787452274857800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1868284 + ... + 1868936.

It is an arithmetic number, because the mean of its divisors is an integer number (46205100).

Almost surely, 2^1220202330 is an apocalyptic number.

1220202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220202330 is an abundant number, since it is smaller than the sum of its proper divisors (1736924070).

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

1220202330 is a wasteful number, since it uses less digits than its factorization.

1220202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1220202330 is about 34931.3946185949. The cubic root of 1220202330 is about 1068.5887967253.

Adding to 1220202330 its reverse (332020221), we get a palindrome (1552222551).

The spelling of 1220202330 in words is "one billion, two hundred twenty million, two hundred two thousand, three hundred thirty".