20244315405 has 16 divisors (see below), whose sum is σ = 33080073984. Its totient is φ = 10567245120.

The previous prime is 20244315401. The next prime is 20244315407. The reversal of 20244315405 is 50451344202.

It is not a de Polignac number, because 20244315405 - 2² = 20244315401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244315401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14356966 + ... + 14358375.

It is an arithmetic number, because the mean of its divisors is an integer number (2067504624).

Almost surely, 2^20244315405 is an apocalyptic number.

It is an amenable number.

20244315405 is a deficient number, since it is larger than the sum of its proper divisors (12835758579).

20244315405 is a wasteful number, since it uses less digits than its factorization.

20244315405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28715396.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20244315405 its reverse (50451344202), we get a palindrome (70695659607).

The spelling of 20244315405 in words is "twenty billion, two hundred forty-four million, three hundred fifteen thousand, four hundred five".