200003123020 has 12 divisors (see below), whose sum is σ = 420006558384. Its totient is φ = 80001249200.

The previous prime is 200003123009. The next prime is 200003123029. The reversal of 200003123020 is 20321300002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (200003123029) 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, 5000078056 + ... + 5000078095.

It is an arithmetic number, because the mean of its divisors is an integer number (35000546532).

Almost surely, 2^200003123020 is an apocalyptic number.

200003123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200003123020 is an abundant number, since it is smaller than the sum of its proper divisors (220003435364).

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

200003123020 is a wasteful number, since it uses less digits than its factorization.

200003123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000156160 (or 10000156158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 200003123020 its reverse (20321300002), we get a palindrome (220324423022).

The spelling of 200003123020 in words is "two hundred billion, three million, one hundred twenty-three thousand, twenty".