2000203210021 has 8 divisors (see below), whose sum is σ = 2106557388000. Its totient is φ = 1893957064560.

The previous prime is 2000203210013. The next prime is 2000203210067. The reversal of 2000203210021 is 1200123020002.

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 2000203210021 - 2³ = 2000203210013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000203209983 and 2000203210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000203210091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26970115 + ... + 27044176.

It is an arithmetic number, because the mean of its divisors is an integer number (263319673500).

Almost surely, 2^{2000203210021} is an apocalyptic number.

It is an amenable number.

2000203210021 is a deficient number, since it is larger than the sum of its proper divisors (106354177979).

2000203210021 is a wasteful number, since it uses less digits than its factorization.

2000203210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54016259.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2000203210021 its reverse (1200123020002), we get a palindrome (3200326230023).

The spelling of 2000203210021 in words is "two trillion, two hundred three million, two hundred ten thousand, twenty-one".