20300244015 has 32 divisors (see below), whose sum is σ = 34228210176. Its totient is φ = 10253513600.

The previous prime is 20300243897. The next prime is 20300244053. The reversal of 20300244015 is 51044200302.

It is not a de Polignac number, because 20300244015 - 2⁸ = 20300243759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20300243982 and 20300244000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256449 + ... + 326138.

It is an arithmetic number, because the mean of its divisors is an integer number (1069631568).

Almost surely, 2^20300244015 is an apocalyptic number.

20300244015 is a deficient number, since it is larger than the sum of its proper divisors (13927966161).

20300244015 is a wasteful number, since it uses less digits than its factorization.

20300244015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582719.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20300244015 its reverse (51044200302), we get a palindrome (71344444317).

The spelling of 20300244015 in words is "twenty billion, three hundred million, two hundred forty-four thousand, fifteen".