20300124433 has 4 divisors (see below), whose sum is σ = 20301610420. Its totient is φ = 20298638448.

The previous prime is 20300124421. The next prime is 20300124437. The reversal of 20300124433 is 33442100302.

It is a happy number.

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 19160926929 + 1139197504 = 138423^2 + 33752^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300124433 - 2¹³ = 20300116241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300124437) 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, 722310 + ... + 749887.

It is an arithmetic number, because the mean of its divisors is an integer number (5075402605).

Almost surely, 2^20300124433 is an apocalyptic number.

It is an amenable number.

20300124433 is a deficient number, since it is larger than the sum of its proper divisors (1485987).

20300124433 is a wasteful number, since it uses less digits than its factorization.

20300124433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485986.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20300124433 its reverse (33442100302), we get a palindrome (53742224735).

The spelling of 20300124433 in words is "twenty billion, three hundred million, one hundred twenty-four thousand, four hundred thirty-three".