20502115483 has 2 divisors, whose sum is σ = 20502115484. Its totient is φ = 20502115482.

The previous prime is 20502115427. The next prime is 20502115493. The reversal of 20502115483 is 38451120502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20502115483 - 2²⁹ = 19965244571 is a prime.

It is not a weakly prime, because it can be changed into another prime (20502115493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10251057741 + 10251057742.

It is an arithmetic number, because the mean of its divisors is an integer number (10251057742).

Almost surely, 2^20502115483 is an apocalyptic number.

20502115483 is a deficient number, since it is larger than the sum of its proper divisors (1).

20502115483 is an equidigital number, since it uses as much as digits as its factorization.

20502115483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 20502115483 its reverse (38451120502), we get a palindrome (58953235985).

The spelling of 20502115483 in words is "twenty billion, five hundred two million, one hundred fifteen thousand, four hundred eighty-three".