20305100324 has 6 divisors (see below), whose sum is σ = 35533925574. Its totient is φ = 10152550160.

The previous prime is 20305100323. The next prime is 20305100357. The reversal of 20305100324 is 42300150302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15417692224 + 4887408100 = 124168^2 + 69910^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20305100296 and 20305100305.

It is not an unprimeable number, because it can be changed into a prime (20305100323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2538137537 + ... + 2538137544.

It is an arithmetic number, because the mean of its divisors is an integer number (5922320929).

Almost surely, 2^20305100324 is an apocalyptic number.

It is an amenable number.

20305100324 is a deficient number, since it is larger than the sum of its proper divisors (15228825250).

20305100324 is a wasteful number, since it uses less digits than its factorization.

20305100324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076275085 (or 5076275083 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20305100324 its reverse (42300150302), we get a palindrome (62605250626).

The spelling of 20305100324 in words is "twenty billion, three hundred five million, one hundred thousand, three hundred twenty-four".