20310124405 has 8 divisors (see below), whose sum is σ = 24645994200. Its totient is φ = 16065536256.

The previous prime is 20310124403. The next prime is 20310124481. The reversal of 20310124405 is 50442101302.

It can be written as a sum of positive squares in 4 ways, for example, as 143568324 + 20166556081 = 11982^2 + 142009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20310124405 - 2¹ = 20310124403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310124403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22819920 + ... + 22820809.

It is an arithmetic number, because the mean of its divisors is an integer number (3080749275).

Almost surely, 2^20310124405 is an apocalyptic number.

It is an amenable number.

20310124405 is a deficient number, since it is larger than the sum of its proper divisors (4335869795).

20310124405 is an equidigital number, since it uses as much as digits as its factorization.

20310124405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45640823.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20310124405 its reverse (50442101302), we get a palindrome (70752225707).

The spelling of 20310124405 in words is "twenty billion, three hundred ten million, one hundred twenty-four thousand, four hundred five".