202113424 has 10 divisors (see below), whose sum is σ = 391594790. Its totient is φ = 101056704.

The previous prime is 202113413. The next prime is 202113427. The reversal of 202113424 is 424311202.

It can be written as a sum of positive squares in only one way, i.e., 200505600 + 1607824 = 14160^2 + 1268^2 .

It is a super-2 number, since 2×202113424² = 81699672322007552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202113427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316029 + ... + 6316060.

It is an arithmetic number, because the mean of its divisors is an integer number (39159479).

Almost surely, 2^202113424 is an apocalyptic number.

It is an amenable number.

202113424 is a deficient number, since it is larger than the sum of its proper divisors (189481366).

202113424 is a wasteful number, since it uses less digits than its factorization.

202113424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632097 (or 12632091 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 202113424 is about 14216.6600859696. The cubic root of 202113424 is about 586.8562306377.

Adding to 202113424 its reverse (424311202), we get a palindrome (626424626).

The spelling of 202113424 in words is "two hundred two million, one hundred thirteen thousand, four hundred twenty-four".