33412033543220 has 24 divisors (see below), whose sum is σ = 70169721237504. Its totient is φ = 13363965646496.

The previous prime is 33412033543201. The next prime is 33412033543223. The reversal of 33412033543220 is 2234533021433.

It is a super-2 number, since 2×33412033543220² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33412033543223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52662452 + ... + 53293131.

It is an arithmetic number, because the mean of its divisors is an integer number (2923738384896).

Almost surely, 2^{33412033543220} is an apocalyptic number.

It is an amenable number.

33412033543220 is an abundant number, since it is smaller than the sum of its proper divisors (36757687694284).

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

33412033543220 is a wasteful number, since it uses less digits than its factorization.

33412033543220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105971359 (or 105971357 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 33412033543220 its reverse (2234533021433), we get a palindrome (35646566564653).

The spelling of 33412033543220 in words is "thirty-three trillion, four hundred twelve billion, thirty-three million, five hundred forty-three thousand, two hundred twenty".