33283660820 has 12 divisors (see below), whose sum is σ = 69895687764. Its totient is φ = 13313464320.

The previous prime is 33283660771. The next prime is 33283660871. The reversal of 33283660820 is 2806638233.

It can be written as a sum of positive squares in 2 ways, for example, as 23461661584 + 9821999236 = 153172^2 + 99106^2 .

It is a super-2 number, since 2×33283660820² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832091501 + ... + 832091540.

It is an arithmetic number, because the mean of its divisors is an integer number (5824640647).

Almost surely, 2^33283660820 is an apocalyptic number.

It is an amenable number.

33283660820 is an abundant number, since it is smaller than the sum of its proper divisors (36612026944).

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

33283660820 is a wasteful number, since it uses less digits than its factorization.

33283660820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664183050 (or 1664183048 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 33283660820 in words is "thirty-three billion, two hundred eighty-three million, six hundred sixty thousand, eight hundred twenty".