20010331210203 has 12 divisors (see below), whose sum is σ = 28989579739848. Its totient is φ = 13300635579840.

The previous prime is 20010331210201. The next prime is 20010331210241. The reversal of 20010331210203 is 30201213301002.

It is not a de Polignac number, because 20010331210203 - 2¹ = 20010331210201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010331210201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3298765713 + ... + 3298771778.

It is an arithmetic number, because the mean of its divisors is an integer number (2415798311654).

Almost surely, 2^{20010331210203} is an apocalyptic number.

20010331210203 is a deficient number, since it is larger than the sum of its proper divisors (8979248529645).

20010331210203 is a wasteful number, since it uses less digits than its factorization.

20010331210203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597537834 (or 6597537831 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20010331210203 its reverse (30201213301002), we get a palindrome (50211544511205).

The spelling of 20010331210203 in words is "twenty trillion, ten billion, three hundred thirty-one million, two hundred ten thousand, two hundred three".