33220003021000 has 64 divisors (see below), whose sum is σ = 78504458862960. Its totient is φ = 13156436800000.

The previous prime is 33220003020991. The next prime is 33220003021001. The reversal of 33220003021000 is 12030002233.

It can be written as a sum of positive squares in 8 ways, for example, as 3205668231844 + 30014334789156 = 1790438^2 + 5478534^2 .

It is a super-2 number, since 2×33220003021000² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33220003021001) 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, 164354461 + ... + 164556460.

Almost surely, 2^{33220003021000} is an apocalyptic number.

It is an amenable number.

33220003021000 is an abundant number, since it is smaller than the sum of its proper divisors (45284455841960).

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

33220003021000 is a wasteful number, since it uses less digits than its factorization.

33220003021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328911043 (or 328911029 counting only the distinct ones).

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

Adding to 33220003021000 its reverse (12030002233), we get a palindrome (33232033023233).

The spelling of 33220003021000 in words is "thirty-three trillion, two hundred twenty billion, three million, twenty-one thousand".