33223130220 has 96 divisors (see below), whose sum is σ = 109980057600. Its totient is φ = 7331998464.

The previous prime is 33223130179. The next prime is 33223130231. The reversal of 33223130220 is 2203132233.

It is a super-2 number, since 2×33223130220² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1351660 + ... + 1376019.

It is an arithmetic number, because the mean of its divisors is an integer number (1145625600).

Almost surely, 2^33223130220 is an apocalyptic number.

33223130220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33223130220 is an abundant number, since it is smaller than the sum of its proper divisors (76756927380).

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

33223130220 is a wasteful number, since it uses less digits than its factorization.

33223130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727727 (or 2727725 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33223130220 its reverse (2203132233), we get a palindrome (35426262453).

The spelling of 33223130220 in words is "thirty-three billion, two hundred twenty-three million, one hundred thirty thousand, two hundred twenty".