1020242443225 has 12 divisors (see below), whose sum is σ = 1268105632300. Its totient is φ = 814255243200.

The previous prime is 1020242443201. The next prime is 1020242443237. The reversal of 1020242443225 is 5223442420201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 383200617024 + 637041826201 = 619032^2 + 798149^2 .

It is not a de Polignac number, because 1020242443225 - 2⁷ = 1020242443097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48457050 + ... + 48478099.

Almost surely, 2^{1020242443225} is an apocalyptic number.

It is an amenable number.

1020242443225 is a deficient number, since it is larger than the sum of its proper divisors (247863189075).

1020242443225 is an equidigital number, since it uses as much as digits as its factorization.

1020242443225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96935580 (or 96935575 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 1020242443225 its reverse (5223442420201), we get a palindrome (6243684863426).

The spelling of 1020242443225 in words is "one trillion, twenty billion, two hundred forty-two million, four hundred forty-three thousand, two hundred twenty-five".