33020100401 has 4 divisors (see below), whose sum is σ = 33020611572. Its totient is φ = 33019589232.

The previous prime is 33020100391. The next prime is 33020100517. The reversal of 33020100401 is 10400102033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5166159376 + 27853941025 = 71876^2 + 166895^2 .

It is a cyclic number.

It is not a de Polignac number, because 33020100401 - 2³⁴ = 15840231217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33020100101) 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 3 ways as a sum of consecutive naturals, for example, 141806 + ... + 293511.

It is an arithmetic number, because the mean of its divisors is an integer number (8255152893).

Almost surely, 2^33020100401 is an apocalyptic number.

It is an amenable number.

33020100401 is a deficient number, since it is larger than the sum of its proper divisors (511171).

33020100401 is an equidigital number, since it uses as much as digits as its factorization.

33020100401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511170.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 33020100401 its reverse (10400102033), we get a palindrome (43420202434).

The spelling of 33020100401 in words is "thirty-three billion, twenty million, one hundred thousand, four hundred one".