33442111420 has 12 divisors (see below), whose sum is σ = 70228434024. Its totient is φ = 13376844560.

The previous prime is 33442111387. The next prime is 33442111421. The reversal of 33442111420 is 2411124433.

It is a super-2 number, since 2×33442111420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33442111421) 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, 836052766 + ... + 836052805.

It is an arithmetic number, because the mean of its divisors is an integer number (5852369502).

Almost surely, 2^33442111420 is an apocalyptic number.

It is an amenable number.

33442111420 is an abundant number, since it is smaller than the sum of its proper divisors (36786322604).

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

33442111420 is a wasteful number, since it uses less digits than its factorization.

33442111420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672105580 (or 1672105578 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 33442111420 its reverse (2411124433), we get a palindrome (35853235853).

The spelling of 33442111420 in words is "thirty-three billion, four hundred forty-two million, one hundred eleven thousand, four hundred twenty".