20242144343252 has 48 divisors (see below), whose sum is σ = 38203442039952. Its totient is φ = 9329114803200.

The previous prime is 20242144343251. The next prime is 20242144343279. The reversal of 20242144343252 is 25234344124202.

It can be written as a sum of positive squares in 8 ways, for example, as 9270587815696 + 10971556527556 = 3044764^2 + 3312334^2 .

It is a super-2 number, since 2×20242144343252² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242144343251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317556728 + ... + 317620464.

It is an arithmetic number, because the mean of its divisors is an integer number (795905042499).

Almost surely, 2^{20242144343252} is an apocalyptic number.

It is an amenable number.

20242144343252 is a deficient number, since it is larger than the sum of its proper divisors (17961297696700).

20242144343252 is a wasteful number, since it uses less digits than its factorization.

20242144343252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72428 (or 72426 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 20242144343252 its reverse (25234344124202), we get a palindrome (45476488467454).

The spelling of 20242144343252 in words is "twenty trillion, two hundred forty-two billion, one hundred forty-four million, three hundred forty-three thousand, two hundred fifty-two".