33020243120 has 20 divisors (see below), whose sum is σ = 76772065440. Its totient is φ = 13208097216.

The previous prime is 33020243099. The next prime is 33020243129. The reversal of 33020243120 is 2134202033.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33020243092 and 33020243101.

It is not an unprimeable number, because it can be changed into a prime (33020243129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206376440 + ... + 206376599.

It is an arithmetic number, because the mean of its divisors is an integer number (3838603272).

Almost surely, 2^33020243120 is an apocalyptic number.

It is an amenable number.

33020243120 is an abundant number, since it is smaller than the sum of its proper divisors (43751822320).

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

33020243120 is a wasteful number, since it uses less digits than its factorization.

33020243120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412753052 (or 412753046 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 33020243120 its reverse (2134202033), we get a palindrome (35154445153).

The spelling of 33020243120 in words is "thirty-three billion, twenty million, two hundred forty-three thousand, one hundred twenty".