20124241252 has 12 divisors (see below), whose sum is σ = 35307958140. Its totient is φ = 10036253216.

The previous prime is 20124241243. The next prime is 20124241259. The reversal of 20124241252 is 25214242102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1460309796 + 18663931456 = 38214^2 + 136616^2 .

It is not an unprimeable number, because it can be changed into a prime (20124241259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6465103 + ... + 6468214.

It is an arithmetic number, because the mean of its divisors is an integer number (2942329845).

Almost surely, 2^20124241252 is an apocalyptic number.

It is an amenable number.

20124241252 is a deficient number, since it is larger than the sum of its proper divisors (15183716888).

20124241252 is a wasteful number, since it uses less digits than its factorization.

20124241252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933710 (or 12933708 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20124241252 its reverse (25214242102), we get a palindrome (45338483354).

The spelling of 20124241252 in words is "twenty billion, one hundred twenty-four million, two hundred forty-one thousand, two hundred fifty-two".