33020397343 has 4 divisors (see below), whose sum is σ = 33023548768. Its totient is φ = 33017245920.

The previous prime is 33020397341. The next prime is 33020397353. The reversal of 33020397343 is 34379302033.

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

It is a cyclic number.

It is not a de Polignac number, because 33020397343 - 2¹ = 33020397341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020397341) 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, 1559943 + ... + 1580968.

It is an arithmetic number, because the mean of its divisors is an integer number (8255887192).

Almost surely, 2^33020397343 is an apocalyptic number.

33020397343 is a deficient number, since it is larger than the sum of its proper divisors (3151425).

33020397343 is a wasteful number, since it uses less digits than its factorization.

33020397343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151424.

The product of its (nonzero) digits is 122472, while the sum is 37.

Adding to 33020397343 its reverse (34379302033), we get a palindrome (67399699376).

The spelling of 33020397343 in words is "thirty-three billion, twenty million, three hundred ninety-seven thousand, three hundred forty-three".