1220423033 has 16 divisors (see below), whose sum is σ = 1305448320. Its totient is φ = 1138161024.

The previous prime is 1220423003. The next prime is 1220423063. The reversal of 1220423033 is 3303240221.

It is an interprime number because it is at equal distance from previous prime (1220423003) and next prime (1220423063).

It is a cyclic number.

It is not a de Polignac number, because 1220423033 - 2¹⁰ = 1220422009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220422996 and 1220423014.

It is not an unprimeable number, because it can be changed into a prime (1220423003) 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 15 ways as a sum of consecutive naturals, for example, 1080413 + ... + 1081541.

It is an arithmetic number, because the mean of its divisors is an integer number (81590520).

Almost surely, 2^1220423033 is an apocalyptic number.

It is an amenable number.

1220423033 is a deficient number, since it is larger than the sum of its proper divisors (85025287).

1220423033 is a wasteful number, since it uses less digits than its factorization.

1220423033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1220423033 is about 34934.5535680650. The cubic root of 1220423033 is about 1068.6532195208.

Adding to 1220423033 its reverse (3303240221), we get a palindrome (4523663254).

The spelling of 1220423033 in words is "one billion, two hundred twenty million, four hundred twenty-three thousand, thirty-three".