33300220120021 has 8 divisors (see below), whose sum is σ = 33310563564600. Its totient is φ = 33289878198720.

The previous prime is 33300220120007. The next prime is 33300220120051. The reversal of 33300220120021 is 12002102200333.

It can be written as a sum of positive squares in 4 ways, for example, as 1703612300625 + 31596607819396 = 1305225^2 + 5621086^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33300220120021 - 2⁷ = 33300220119893 is a prime.

It is a super-2 number, since 2×33300220120021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33300220120051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44152875 + ... + 44900743.

It is an arithmetic number, because the mean of its divisors is an integer number (4163820445575).

Almost surely, 2^{33300220120021} is an apocalyptic number.

It is an amenable number.

33300220120021 is a deficient number, since it is larger than the sum of its proper divisors (10343444579).

33300220120021 is an equidigital number, since it uses as much as digits as its factorization.

33300220120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761639.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33300220120021 its reverse (12002102200333), we get a palindrome (45302322320354).

The spelling of 33300220120021 in words is "thirty-three trillion, three hundred billion, two hundred twenty million, one hundred twenty thousand, twenty-one".