33023303220 has 48 divisors (see below), whose sum is σ = 94720506048. Its totient is φ = 8591427840.

The previous prime is 33023303213. The next prime is 33023303251. The reversal of 33023303220 is 2230332033.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6709594 + ... + 6714513.

It is an arithmetic number, because the mean of its divisors is an integer number (1973343876).

Almost surely, 2^33023303220 is an apocalyptic number.

33023303220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33023303220 is an abundant number, since it is smaller than the sum of its proper divisors (61697202828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33023303220 is a wasteful number, since it uses less digits than its factorization.

33023303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13424160 (or 13424158 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 21.

Adding to 33023303220 its reverse (2230332033), we get a palindrome (35253635253).

The spelling of 33023303220 in words is "thirty-three billion, twenty-three million, three hundred three thousand, two hundred twenty".