1326020033 has 4 divisors (see below), whose sum is σ = 1428021588. Its totient is φ = 1224018480.

The previous prime is 1326019999. The next prime is 1326020063. The reversal of 1326020033 is 3300206231.

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 108847489 + 1217172544 = 10433^2 + 34888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326020033 - 2⁶ = 1326019969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1326019987 and 1326020014.

It is not an unprimeable number, because it can be changed into a prime (1326020063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51000758 + ... + 51000783.

It is an arithmetic number, because the mean of its divisors is an integer number (357005397).

Almost surely, 2^1326020033 is an apocalyptic number.

1326020033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1326020033 is a deficient number, since it is larger than the sum of its proper divisors (102001555).

1326020033 is a wasteful number, since it uses less digits than its factorization.

1326020033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102001554.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1326020033 is about 36414.5579816644. The cubic root of 1326020033 is about 1098.6263937109.

Adding to 1326020033 its reverse (3300206231), we get a palindrome (4626226264).

The spelling of 1326020033 in words is "one billion, three hundred twenty-six million, twenty thousand, thirty-three".