1220323030 has 8 divisors (see below), whose sum is σ = 2196581472. Its totient is φ = 488129208.

The previous prime is 1220323009. The next prime is 1220323031. The reversal of 1220323030 is 303230221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220322995 and 1220323013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220323031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61016142 + ... + 61016161.

It is an arithmetic number, because the mean of its divisors is an integer number (274572684).

Almost surely, 2^1220323030 is an apocalyptic number.

1220323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220323030 is a deficient number, since it is larger than the sum of its proper divisors (976258442).

1220323030 is a wasteful number, since it uses less digits than its factorization.

1220323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122032310.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1220323030 is about 34933.1222480900. The cubic root of 1220323030 is about 1068.6240297934.

Adding to 1220323030 its reverse (303230221), we get a palindrome (1523553251).

The spelling of 1220323030 in words is "one billion, two hundred twenty million, three hundred twenty-three thousand, thirty".