10020441231257 has 2 divisors, whose sum is σ = 10020441231258. Its totient is φ = 10020441231256.

The previous prime is 10020441231253. The next prime is 10020441231331. The reversal of 10020441231257 is 75213214402001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5758483299856 + 4261957931401 = 2399684^2 + 2064451^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020441231257 - 2² = 10020441231253 is a prime.

It is not a weakly prime, because it can be changed into another prime (10020441231253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010220615628 + 5010220615629.

It is an arithmetic number, because the mean of its divisors is an integer number (5010220615629).

Almost surely, 2^{10020441231257} is an apocalyptic number.

It is an amenable number.

10020441231257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020441231257 is an equidigital number, since it uses as much as digits as its factorization.

10020441231257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 10020441231257 its reverse (75213214402001), we get a palindrome (85233655633258).

The spelling of 10020441231257 in words is "ten trillion, twenty billion, four hundred forty-one million, two hundred thirty-one thousand, two hundred fifty-seven".