33020120 has 96 divisors (see below), whose sum is σ = 91601280. Its totient is φ = 10644480.

The previous prime is 33020107. The next prime is 33020123. The reversal of 33020120 is 2102033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32825 + ... + 33815.

It is an arithmetic number, because the mean of its divisors is an integer number (954180).

Almost surely, 2^33020120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45800640).

33020120 is an abundant number, since it is smaller than the sum of its proper divisors (58581160).

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

33020120 is a wasteful number, since it uses less digits than its factorization.

33020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 33020120 is about 5746.3136009097. The cubic root of 33020120 is about 320.8186072212.

Adding to 33020120 its reverse (2102033), we get a palindrome (35122153).

The spelling of 33020120 in words is "thirty-three million, twenty thousand, one hundred twenty".