1220033015 has 4 divisors (see below), whose sum is σ = 1464039624. Its totient is φ = 976026408.

The previous prime is 1220033011. The next prime is 1220033047. The reversal of 1220033015 is 5103300221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5103300221 = 37 ⋅137927033.

It is a cyclic number.

It is not a de Polignac number, because 1220033015 - 2² = 1220033011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220032984 and 1220033002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220033011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122003297 + ... + 122003306.

It is an arithmetic number, because the mean of its divisors is an integer number (366009906).

Almost surely, 2^1220033015 is an apocalyptic number.

1220033015 is a deficient number, since it is larger than the sum of its proper divisors (244006609).

1220033015 is an equidigital number, since it uses as much as digits as its factorization.

1220033015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244006608.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1220033015 is about 34928.9709982988. The cubic root of 1220033015 is about 1068.5393687256.

Adding to 1220033015 its reverse (5103300221), we get a palindrome (6323333236).

The spelling of 1220033015 in words is "one billion, two hundred twenty million, thirty-three thousand, fifteen".