200642424 has 32 divisors (see below), whose sum is σ = 501954000. Its totient is φ = 66834432.

The previous prime is 200642423. The next prime is 200642443. The reversal of 200642424 is 424246002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 200642394 and 200642403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200642423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62982 + ... + 66090.

Almost surely, 2^200642424 is an apocalyptic number.

200642424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200642424 is an abundant number, since it is smaller than the sum of its proper divisors (301311576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200642424 is a wasteful number, since it uses less digits than its factorization.

200642424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807 (or 5803 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 200642424 is about 14164.8305319901. The cubic root of 200642424 is about 585.4290314673.

Adding to 200642424 its reverse (424246002), we get a palindrome (624888426).

The spelling of 200642424 in words is "two hundred million, six hundred forty-two thousand, four hundred twenty-four".