33211000220 has 48 divisors (see below), whose sum is σ = 73949772960. Its totient is φ = 12493338624.

The previous prime is 33211000219. The next prime is 33211000223. The reversal of 33211000220 is 2200011233.

It is a happy number.

It is a super-2 number, since 2×33211000220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33211000195 and 33211000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33211000223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266909 + ... + 371028.

It is an arithmetic number, because the mean of its divisors is an integer number (1540620270).

Almost surely, 2^33211000220 is an apocalyptic number.

It is an amenable number.

33211000220 is an abundant number, since it is smaller than the sum of its proper divisors (40738772740).

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

33211000220 is a wasteful number, since it uses less digits than its factorization.

33211000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638102 (or 638100 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 33211000220 its reverse (2200011233), we get a palindrome (35411011453).

The spelling of 33211000220 in words is "thirty-three billion, two hundred eleven million, two hundred twenty", and thus it is an aban number.