1020223334257 has 2 divisors, whose sum is σ = 1020223334258. Its totient is φ = 1020223334256.

The previous prime is 1020223334243. The next prime is 1020223334363. The reversal of 1020223334257 is 7524333220201.

1020223334257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743706163456 + 276517170801 = 862384^2 + 525849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020223334257 - 2²³ = 1020214945649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020223334957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510111667128 + 510111667129.

It is an arithmetic number, because the mean of its divisors is an integer number (510111667129).

Almost surely, 2^{1020223334257} is an apocalyptic number.

It is an amenable number.

1020223334257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020223334257 is an equidigital number, since it uses as much as digits as its factorization.

1020223334257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 1020223334257 its reverse (7524333220201), we get a palindrome (8544556554458).

The spelling of 1020223334257 in words is "one trillion, twenty billion, two hundred twenty-three million, three hundred thirty-four thousand, two hundred fifty-seven".