10020402097 has 2 divisors, whose sum is σ = 10020402098. Its totient is φ = 10020402096.

The previous prime is 10020402061. The next prime is 10020402109. The reversal of 10020402097 is 79020402001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7053312256 + 2967089841 = 83984^2 + 54471^2 .

It is an emirp because it is prime and its reverse (79020402001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10020402097 - 2¹⁵ = 10020369329 is a prime.

It is not a weakly prime, because it can be changed into another prime (10020402037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010201048 + 5010201049.

It is an arithmetic number, because the mean of its divisors is an integer number (5010201049).

Almost surely, 2^10020402097 is an apocalyptic number.

It is an amenable number.

10020402097 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020402097 is an equidigital number, since it uses as much as digits as its factorization.

10020402097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 10020402097 its reverse (79020402001), we get a palindrome (89040804098).

The spelling of 10020402097 in words is "ten billion, twenty million, four hundred two thousand, ninety-seven".