1220532033 has 24 divisors (see below), whose sum is σ = 1894406400. Its totient is φ = 696954720.

The previous prime is 1220532029. The next prime is 1220532037. The reversal of 1220532033 is 3302350221.

It is an interprime number because it is at equal distance from previous prime (1220532029) and next prime (1220532037).

It is not a de Polignac number, because 1220532033 - 2² = 1220532029 is a prime.

It is a super-2 number, since 2×1220532033² = 2979396887158226178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1220532037) 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 23 ways as a sum of consecutive naturals, for example, 350923 + ... + 354383.

It is an arithmetic number, because the mean of its divisors is an integer number (78933600).

Almost surely, 2^1220532033 is an apocalyptic number.

It is an amenable number.

1220532033 is a deficient number, since it is larger than the sum of its proper divisors (673874367).

1220532033 is a wasteful number, since it uses less digits than its factorization.

1220532033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1220532033 is about 34936.1135932433. The cubic root of 1220532033 is about 1068.6850335531.

Adding to 1220532033 its reverse (3302350221), we get a palindrome (4522882254).

The spelling of 1220532033 in words is "one billion, two hundred twenty million, five hundred thirty-two thousand, thirty-three".