200142324 has 108 divisors (see below), whose sum is σ = 540828288. Its totient is φ = 62337600.

The previous prime is 200142301. The next prime is 200142329. The reversal of 200142324 is 423241002.

200142324 is a `hidden beast` number, since 200 + 142 + 324 = 666.

It is a super-2 number, since 2×200142324² = 80113899712241952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200142297 and 200142306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200142329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1527739 + ... + 1527869.

Almost surely, 2^200142324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200142324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270414144).

200142324 is an abundant number, since it is smaller than the sum of its proper divisors (340685964).

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

200142324 is a wasteful number, since it uses less digits than its factorization.

200142324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 200142324 is about 14147.1666421231. The cubic root of 200142324 is about 584.9422340506.

Adding to 200142324 its reverse (423241002), we get a palindrome (623383326).

The spelling of 200142324 in words is "two hundred million, one hundred forty-two thousand, three hundred twenty-four".