33141420 has 96 divisors (see below), whose sum is σ = 111061440. Its totient is φ = 8156160.

The previous prime is 33141401. The next prime is 33141443. The reversal of 33141420 is 2414133.

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 = 33141393 and 33141402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4660 + ... + 9380.

It is an arithmetic number, because the mean of its divisors is an integer number (1156890).

Almost surely, 2^33141420 is an apocalyptic number.

33141420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33141420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55530720).

33141420 is an abundant number, since it is smaller than the sum of its proper divisors (77920020).

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

33141420 is a wasteful number, since it uses less digits than its factorization.

33141420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 33141420 is about 5756.8585183240. The cubic root of 33141420 is about 321.2109714531.

Adding to 33141420 its reverse (2414133), we get a palindrome (35555553).

The spelling of 33141420 in words is "thirty-three million, one hundred forty-one thousand, four hundred twenty".