200021430032142 has 8 divisors (see below), whose sum is σ = 400042860064296. Its totient is φ = 66673810010712.

The previous prime is 200021430032033. The next prime is 200021430032147. The reversal of 200021430032142 is 241230034120002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

200021430032142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021430032147) 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, 16668452502673 + ... + 16668452502684.

It is an arithmetic number, because the mean of its divisors is an integer number (50005357508037).

Almost surely, 2^{200021430032142} is an apocalyptic number.

200021430032142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

200021430032142 is a wasteful number, since it uses less digits than its factorization.

200021430032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33336905005362.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 200021430032142 its reverse (241230034120002), we get a palindrome (441251464152144).

The spelling of 200021430032142 in words is "two hundred trillion, twenty-one billion, four hundred thirty million, thirty-two thousand, one hundred forty-two".