33342020245 has 4 divisors (see below), whose sum is σ = 40010424300. Its totient is φ = 26673616192.

The previous prime is 33342020227. The next prime is 33342020281. The reversal of 33342020245 is 54202024333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54202024333 = 479 ⋅113156627.

It can be written as a sum of positive squares in 2 ways, for example, as 11407521636 + 21934498609 = 106806^2 + 148103^2 .

It is a cyclic number.

It is not a de Polignac number, because 33342020245 - 2³³ = 24752085653 is a prime.

It is a super-2 number, since 2×33342020245² (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 3334202020 + ... + 3334202029.

It is an arithmetic number, because the mean of its divisors is an integer number (10002606075).

Almost surely, 2^33342020245 is an apocalyptic number.

It is an amenable number.

33342020245 is a deficient number, since it is larger than the sum of its proper divisors (6668404055).

33342020245 is an equidigital number, since it uses as much as digits as its factorization.

33342020245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668404054.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 33342020245 its reverse (54202024333), we get a palindrome (87544044578).

The spelling of 33342020245 in words is "thirty-three billion, three hundred forty-two million, twenty thousand, two hundred forty-five".