20300312033 has 4 divisors (see below), whose sum is σ = 20305364628. Its totient is φ = 20295259440.

The previous prime is 20300312009. The next prime is 20300312047. The reversal of 20300312033 is 33021300302.

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 8632639744 + 11667672289 = 92912^2 + 108017^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300312033 - 2¹⁴ = 20300295649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300312093) 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, 2520266 + ... + 2528307.

It is an arithmetic number, because the mean of its divisors is an integer number (5076341157).

Almost surely, 2^20300312033 is an apocalyptic number.

It is an amenable number.

20300312033 is a deficient number, since it is larger than the sum of its proper divisors (5052595).

20300312033 is an equidigital number, since it uses as much as digits as its factorization.

20300312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052594.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20300312033 its reverse (33021300302), we get a palindrome (53321612335).

The spelling of 20300312033 in words is "twenty billion, three hundred million, three hundred twelve thousand, thirty-three".