20010241513 has 2 divisors, whose sum is σ = 20010241514. Its totient is φ = 20010241512.

The previous prime is 20010241487. The next prime is 20010241577. The reversal of 20010241513 is 31514201002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15603007744 + 4407233769 = 124912^2 + 66387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010241513 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010241813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005120756 + 10005120757.

It is an arithmetic number, because the mean of its divisors is an integer number (10005120757).

Almost surely, 2^20010241513 is an apocalyptic number.

It is an amenable number.

20010241513 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010241513 is an equidigital number, since it uses as much as digits as its factorization.

20010241513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20010241513 its reverse (31514201002), we get a palindrome (51524442515).

The spelling of 20010241513 in words is "twenty billion, ten million, two hundred forty-one thousand, five hundred thirteen".