200120021003 has 8 divisors (see below), whose sum is σ = 228727011072. Its totient is φ = 171517634856.

The previous prime is 200120020987. The next prime is 200120021027. The reversal of 200120021003 is 300120021002.

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 not a de Polignac number, because 200120021003 - 2⁴ = 200120020987 is a prime.

It is a super-2 number, since 2×200120021003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200120021033) 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, 1057325 + ... + 1232142.

It is an arithmetic number, because the mean of its divisors is an integer number (28590876384).

Almost surely, 2^200120021003 is an apocalyptic number.

200120021003 is a deficient number, since it is larger than the sum of its proper divisors (28606990069).

200120021003 is a wasteful number, since it uses less digits than its factorization.

200120021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301961.

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

Adding to 200120021003 its reverse (300120021002), we get a palindrome (500240042005).

Subtracting 200120021003 from its reverse (300120021002), we obtain a palindrome (99999999999).

The spelling of 200120021003 in words is "two hundred billion, one hundred twenty million, twenty-one thousand, three".