33420421434224 has 80 divisors (see below), whose sum is σ = 73713221337600. Its totient is φ = 14529955841280.

The previous prime is 33420421434167. The next prime is 33420421434277. The reversal of 33420421434224 is 42243412402433.

It is a super-2 number, since 2×33420421434224² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94542734 + ... + 94895570.

It is an arithmetic number, because the mean of its divisors is an integer number (921415266720).

Almost surely, 2^{33420421434224} is an apocalyptic number.

It is an amenable number.

33420421434224 is an abundant number, since it is smaller than the sum of its proper divisors (40292799903376).

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

33420421434224 is a wasteful number, since it uses less digits than its factorization.

33420421434224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376278 (or 376272 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 33420421434224 its reverse (42243412402433), we get a palindrome (75663833836657).

The spelling of 33420421434224 in words is "thirty-three trillion, four hundred twenty billion, four hundred twenty-one million, four hundred thirty-four thousand, two hundred twenty-four".