20300412133 has 4 divisors (see below), whose sum is σ = 20301188940. Its totient is φ = 20299635328.

The previous prime is 20300412127. The next prime is 20300412137. The reversal of 20300412133 is 33121400302.

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 17050614084 + 3249798049 = 130578^2 + 57007^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300412133 - 2¹⁷ = 20300281061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20300412133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300412137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347788 + ... + 401941.

It is an arithmetic number, because the mean of its divisors is an integer number (5075297235).

Almost surely, 2^20300412133 is an apocalyptic number.

It is an amenable number.

20300412133 is a deficient number, since it is larger than the sum of its proper divisors (776807).

20300412133 is an equidigital number, since it uses as much as digits as its factorization.

20300412133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776806.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20300412133 its reverse (33121400302), we get a palindrome (53421812435).

The spelling of 20300412133 in words is "twenty billion, three hundred million, four hundred twelve thousand, one hundred thirty-three".