33043420032420 has 384 divisors, whose sum is σ = 109731300618240. Its totient is φ = 7269294090240.

The previous prime is 33043420032361. The next prime is 33043420032457. The reversal of 33043420032420 is 2423002434033.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8217710010 + ... + 8217714030.

It is an arithmetic number, because the mean of its divisors is an integer number (285758595360).

Almost surely, 2^{33043420032420} is an apocalyptic number.

33043420032420 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 33043420032420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54865650309120).

33043420032420 is an abundant number, since it is smaller than the sum of its proper divisors (76687880585820).

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

33043420032420 is a wasteful number, since it uses less digits than its factorization.

33043420032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035 (or 6033 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 33043420032420 its reverse (2423002434033), we get a palindrome (35466422466453).

The spelling of 33043420032420 in words is "thirty-three trillion, forty-three billion, four hundred twenty million, thirty-two thousand, four hundred twenty".