33320021320220 has 24 divisors (see below), whose sum is σ = 73014307589664. Its totient is φ = 12748529896256.

The previous prime is 33320021320213. The next prime is 33320021320241. The reversal of 33320021320220 is 2202312002333.

It is a super-2 number, since 2×33320021320220² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36217414019 + ... + 36217414938.

It is an arithmetic number, because the mean of its divisors is an integer number (3042262816236).

Almost surely, 2^{33320021320220} is an apocalyptic number.

It is an amenable number.

33320021320220 is an abundant number, since it is smaller than the sum of its proper divisors (39694286269444).

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

33320021320220 is a wasteful number, since it uses less digits than its factorization.

33320021320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72434828989 (or 72434828987 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33320021320220 its reverse (2202312002333), we get a palindrome (35522333322553).

The spelling of 33320021320220 in words is "thirty-three trillion, three hundred twenty billion, twenty-one million, three hundred twenty thousand, two hundred twenty".