1220330013 has 8 divisors (see below), whose sum is σ = 1859550528. Its totient is φ = 697331424.

The previous prime is 1220330009. The next prime is 1220330029. The reversal of 1220330013 is 3100330221.

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

It is not a de Polignac number, because 1220330013 - 2² = 1220330009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220329974 and 1220330001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220330003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29055456 + ... + 29055497.

It is an arithmetic number, because the mean of its divisors is an integer number (232443816).

Almost surely, 2^1220330013 is an apocalyptic number.

It is an amenable number.

1220330013 is a deficient number, since it is larger than the sum of its proper divisors (639220515).

1220330013 is an equidigital number, since it uses as much as digits as its factorization.

1220330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58110963.

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

The square root of 1220330013 is about 34933.2221960700. Note that the first 3 decimals coincide. The cubic root of 1220330013 is about 1068.6260681027.

Adding to 1220330013 its reverse (3100330221), we get a palindrome (4320660234).

The spelling of 1220330013 in words is "one billion, two hundred twenty million, three hundred thirty thousand, thirteen".