33020021000 has 64 divisors (see below), whose sum is σ = 79355231280. Its totient is φ = 12851020800.

The previous prime is 33020020993. The next prime is 33020021051. The reversal of 33020021000 is 12002033.

It can be written as a sum of positive squares in 8 ways, for example, as 671120836 + 32348900164 = 25906^2 + 179858^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409217 + ... + 483216.

Almost surely, 2^33020021000 is an apocalyptic number.

It is an amenable number.

33020021000 is an abundant number, since it is smaller than the sum of its proper divisors (46335210280).

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

33020021000 is a wasteful number, since it uses less digits than its factorization.

33020021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892491 (or 892477 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 33020021000 its reverse (12002033), we get a palindrome (33032023033).

The spelling of 33020021000 in words is "thirty-three billion, twenty million, twenty-one thousand".