200330201021 has 4 divisors (see below), whose sum is σ = 200333149212. Its totient is φ = 200327252832.

The previous prime is 200330201003. The next prime is 200330201047. The reversal of 200330201021 is 120102033002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91684812025 + 108645388996 = 302795^2 + 329614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200330201021 is a prime.

It is a super-2 number, since 2×200330201021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200330200987 and 200330201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200330201821) 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, 1369706 + ... + 1508891.

It is an arithmetic number, because the mean of its divisors is an integer number (50083287303).

Almost surely, 2^200330201021 is an apocalyptic number.

It is an amenable number.

200330201021 is a deficient number, since it is larger than the sum of its proper divisors (2948191).

200330201021 is an equidigital number, since it uses as much as digits as its factorization.

200330201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948190.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 200330201021 its reverse (120102033002), we get a palindrome (320432234023).

The spelling of 200330201021 in words is "two hundred billion, three hundred thirty million, two hundred one thousand, twenty-one".