33220220123 has 4 divisors (see below), whose sum is σ = 33388850880. Its totient is φ = 33051589368.

The previous prime is 33220220113. The next prime is 33220220147. The reversal of 33220220123 is 32102202233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33220220123 - 2⁴ = 33220220107 is a prime.

It is a super-2 number, since 2×33220220123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33220220095 and 33220220104.

It is not an unprimeable number, because it can be changed into a prime (33220220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84315083 + ... + 84315476.

It is an arithmetic number, because the mean of its divisors is an integer number (8347212720).

Almost surely, 2^33220220123 is an apocalyptic number.

33220220123 is a deficient number, since it is larger than the sum of its proper divisors (168630757).

33220220123 is a wasteful number, since it uses less digits than its factorization.

33220220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168630756.

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

Adding to 33220220123 its reverse (32102202233), we get a palindrome (65322422356).

The spelling of 33220220123 in words is "thirty-three billion, two hundred twenty million, two hundred twenty thousand, one hundred twenty-three".