33021300320020 has 48 divisors (see below), whose sum is σ = 69783085128960. Its totient is φ = 13125054070656.

The previous prime is 33021300320017. The next prime is 33021300320027. The reversal of 33021300320020 is 2002300312033.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 33021300320020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33021300320027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16710741 + ... + 18582019.

It is an arithmetic number, because the mean of its divisors is an integer number (1453814273520).

Almost surely, 2^{33021300320020} is an apocalyptic number.

It is an amenable number.

33021300320020 is an abundant number, since it is smaller than the sum of its proper divisors (36761784808940).

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

33021300320020 is a wasteful number, since it uses less digits than its factorization.

33021300320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876864 (or 1876862 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33021300320020 its reverse (2002300312033), we get a palindrome (35023600632053).

The spelling of 33021300320020 in words is "thirty-three trillion, twenty-one billion, three hundred million, three hundred twenty thousand, twenty".