200021031430 has 32 divisors (see below), whose sum is σ = 392802359040. Its totient is φ = 72728663520.

The previous prime is 200021031403. The next prime is 200021031437. The reversal of 200021031430 is 34130120002.

It is a happy number.

200021031430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021031437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319281 + ... + 1463059.

It is an arithmetic number, because the mean of its divisors is an integer number (12275073720).

Almost surely, 2^200021031430 is an apocalyptic number.

200021031430 is a deficient number, since it is larger than the sum of its proper divisors (192781327610).

200021031430 is a wasteful number, since it uses less digits than its factorization.

200021031430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156444.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200021031430 its reverse (34130120002), we get a palindrome (234151151432).

The spelling of 200021031430 in words is "two hundred billion, twenty-one million, thirty-one thousand, four hundred thirty".