33020100421 has 16 divisors (see below), whose sum is σ = 41865684480. Its totient is φ = 25293844080.

The previous prime is 33020100391. The next prime is 33020100517. The reversal of 33020100421 is 12400102033.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33020100421 - 2²¹ = 33018003269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33020100395 and 33020100404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020100221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3629631 + ... + 3638716.

It is an arithmetic number, because the mean of its divisors is an integer number (2616605280).

Almost surely, 2^33020100421 is an apocalyptic number.

It is an amenable number.

33020100421 is a deficient number, since it is larger than the sum of its proper divisors (8845584059).

33020100421 is a wasteful number, since it uses less digits than its factorization.

33020100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268424.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 33020100421 its reverse (12400102033), we get a palindrome (45420202454).

The spelling of 33020100421 in words is "thirty-three billion, twenty million, one hundred thousand, four hundred twenty-one".