33828489220 has 12 divisors (see below), whose sum is σ = 71039827404. Its totient is φ = 13531395680.

The previous prime is 33828489199. The next prime is 33828489221. The reversal of 33828489220 is 2298482833.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18491648256 + 15336840964 = 135984^2 + 123842^2 .

It is a super-2 number, since 2×33828489220² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33828489221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845712211 + ... + 845712250.

It is an arithmetic number, because the mean of its divisors is an integer number (5919985617).

Almost surely, 2^33828489220 is an apocalyptic number.

It is an amenable number.

33828489220 is an abundant number, since it is smaller than the sum of its proper divisors (37211338184).

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

33828489220 is a wasteful number, since it uses less digits than its factorization.

33828489220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691424470 (or 1691424468 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 33828489220 in words is "thirty-three billion, eight hundred twenty-eight million, four hundred eighty-nine thousand, two hundred twenty".