202113241424 has 20 divisors (see below), whose sum is σ = 392071403220. Its totient is φ = 100933524480.

The previous prime is 202113241409. The next prime is 202113241427. The reversal of 202113241424 is 424142311202.

It can be written as a sum of positive squares in 2 ways, for example, as 69573557824 + 132539683600 = 263768^2 + 364060^2 .

It is a super-2 number, since 2×202113241424² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202113241393 and 202113241402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202113241427) 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, 7679969 + ... + 7706240.

It is an arithmetic number, because the mean of its divisors is an integer number (19603570161).

Almost surely, 2^202113241424 is an apocalyptic number.

It is an amenable number.

202113241424 is a deficient number, since it is larger than the sum of its proper divisors (189958161796).

202113241424 is a wasteful number, since it uses less digits than its factorization.

202113241424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387038 (or 15387032 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 202113241424 its reverse (424142311202), we get a palindrome (626255552626).

The spelling of 202113241424 in words is "two hundred two billion, one hundred thirteen million, two hundred forty-one thousand, four hundred twenty-four".