33213000220 has 24 divisors (see below), whose sum is σ = 69752895408. Its totient is φ = 13284134400.

The previous prime is 33213000203. The next prime is 33213000241. The reversal of 33213000220 is 2200031233.

It is a super-2 number, since 2×33213000220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33213000194 and 33213000203.

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 7 ways as a sum of consecutive naturals, for example, 218775 + ... + 338065.

It is an arithmetic number, because the mean of its divisors is an integer number (2906370642).

Almost surely, 2^33213000220 is an apocalyptic number.

It is an amenable number.

33213000220 is an abundant number, since it is smaller than the sum of its proper divisors (36539895188).

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

33213000220 is a wasteful number, since it uses less digits than its factorization.

33213000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133221 (or 133219 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33213000220 its reverse (2200031233), we get a palindrome (35413031453).

The spelling of 33213000220 in words is "thirty-three billion, two hundred thirteen million, two hundred twenty", and thus it is an aban number.