200140420 has 12 divisors (see below), whose sum is σ = 420294924. Its totient is φ = 80056160.

The previous prime is 200140373. The next prime is 200140427. The reversal of 200140420 is 24041002.

It can be written as a sum of positive squares in 2 ways, for example, as 102090816 + 98049604 = 10104^2 + 9902^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200140420.

It is not an unprimeable number, because it can be changed into a prime (200140427) 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, 5003491 + ... + 5003530.

It is an arithmetic number, because the mean of its divisors is an integer number (35024577).

Almost surely, 2^200140420 is an apocalyptic number.

200140420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200140420 is an abundant number, since it is smaller than the sum of its proper divisors (220154504).

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

200140420 is a wasteful number, since it uses less digits than its factorization.

200140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007030 (or 10007028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 200140420 is about 14147.0993493366. The cubic root of 200140420 is about 584.9403791480.

Adding to 200140420 its reverse (24041002), we get a palindrome (224181422).

The spelling of 200140420 in words is "two hundred million, one hundred forty thousand, four hundred twenty".