102020300453 has 2 divisors, whose sum is σ = 102020300454. Its totient is φ = 102020300452.

The previous prime is 102020300381. The next prime is 102020300483. The reversal of 102020300453 is 354003020201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54217725409 + 47802575044 = 232847^2 + 218638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020300453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102020300483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010150226 + 51010150227.

It is an arithmetic number, because the mean of its divisors is an integer number (51010150227).

Almost surely, 2^102020300453 is an apocalyptic number.

It is an amenable number.

102020300453 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020300453 is an equidigital number, since it uses as much as digits as its factorization.

102020300453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 102020300453 its reverse (354003020201), we get a palindrome (456023320654).

The spelling of 102020300453 in words is "one hundred two billion, twenty million, three hundred thousand, four hundred fifty-three".