200310020021 has 8 divisors (see below), whose sum is σ = 203393025600. Its totient is φ = 197236177632.

The previous prime is 200310019999. The next prime is 200310020023. The reversal of 200310020021 is 120020013002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200310020021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200310019984 and 200310020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200310020023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246735 + ... + 2334188.

It is an arithmetic number, because the mean of its divisors is an integer number (25424128200).

Almost surely, 2^200310020021 is an apocalyptic number.

It is an amenable number.

200310020021 is a deficient number, since it is larger than the sum of its proper divisors (3083005579).

200310020021 is an equidigital number, since it uses as much as digits as its factorization.

200310020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581595.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 200310020021 its reverse (120020013002), we get a palindrome (320330033023).

The spelling of 200310020021 in words is "two hundred billion, three hundred ten million, twenty thousand, twenty-one".