33020220020220 has 48 divisors (see below), whose sum is σ = 102729573397920. Its totient is φ = 8805392005248.

The previous prime is 33020220020213. The next prime is 33020220020251. The reversal of 33020220020220 is 2202002202033.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33020220020193 and 33020220020202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30574277257 + ... + 30574278336.

It is an arithmetic number, because the mean of its divisors is an integer number (2140199445790).

Almost surely, 2^{33020220020220} is an apocalyptic number.

33020220020220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33020220020220 is an abundant number, since it is smaller than the sum of its proper divisors (69709353377700).

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

33020220020220 is a wasteful number, since it uses less digits than its factorization.

33020220020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61148555611 (or 61148555603 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 33020220020220 its reverse (2202002202033), we get a palindrome (35222222222253).

The spelling of 33020220020220 in words is "thirty-three trillion, twenty billion, two hundred twenty million, twenty thousand, two hundred twenty".