1020243244252 has 12 divisors (see below), whose sum is σ = 1863052880976. Its totient is φ = 487942421120.

The previous prime is 1020243244231. The next prime is 1020243244253. The reversal of 1020243244252 is 2524423420201.

It is a happy number.

It is a super-2 number, since 2×1020243244252² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020243244253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5544800149 + ... + 5544800332.

It is an arithmetic number, because the mean of its divisors is an integer number (155254406748).

Almost surely, 2^{1020243244252} is an apocalyptic number.

It is an amenable number.

1020243244252 is a deficient number, since it is larger than the sum of its proper divisors (842809636724).

1020243244252 is a wasteful number, since it uses less digits than its factorization.

1020243244252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089600508 (or 11089600506 counting only the distinct ones).

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

Adding to 1020243244252 its reverse (2524423420201), we get a palindrome (3544666664453).

The spelling of 1020243244252 in words is "one trillion, twenty billion, two hundred forty-three million, two hundred forty-four thousand, two hundred fifty-two".