20300525233 has 4 divisors (see below), whose sum is σ = 20310339060. Its totient is φ = 20290711408.

The previous prime is 20300525153. The next prime is 20300525257. The reversal of 20300525233 is 33252500302.

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 9878769664 + 10421755569 = 99392^2 + 102087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20300525233 is a prime.

It is a super-2 number, since 2×20300525233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300525198 and 20300525207.

It is not an unprimeable number, because it can be changed into a prime (20300525263) 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, 4903810 + ... + 4907947.

It is an arithmetic number, because the mean of its divisors is an integer number (5077584765).

Almost surely, 2^20300525233 is an apocalyptic number.

It is an amenable number.

20300525233 is a deficient number, since it is larger than the sum of its proper divisors (9813827).

20300525233 is an equidigital number, since it uses as much as digits as its factorization.

20300525233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813826.

The product of its (nonzero) digits is 5400, while the sum is 25.

The spelling of 20300525233 in words is "twenty billion, three hundred million, five hundred twenty-five thousand, two hundred thirty-three".