200021431031340 has 24 divisors (see below), whose sum is σ = 560060006887920. Its totient is φ = 53339048275008.

The previous prime is 200021431031251. The next prime is 200021431031363. The reversal of 200021431031340 is 43130134120002.

It is a happy number.

200021431031340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 200021431031340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666845258535 + ... + 1666845258654.

It is an arithmetic number, because the mean of its divisors is an integer number (23335833620330).

Almost surely, 2^{200021431031340} is an apocalyptic number.

200021431031340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021431031340 is an abundant number, since it is smaller than the sum of its proper divisors (360038575856580).

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

200021431031340 is a wasteful number, since it uses less digits than its factorization.

200021431031340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333690517201 (or 3333690517199 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 200021431031340 its reverse (43130134120002), we get a palindrome (243151565151342).

The spelling of 200021431031340 in words is "two hundred trillion, twenty-one billion, four hundred thirty-one million, thirty-one thousand, three hundred forty".