20201213202003 has 12 divisors (see below), whose sum is σ = 29179644820248. Its totient is φ = 13467422557440.

The previous prime is 20201213201989. The next prime is 20201213202011. The reversal of 20201213202003 is 30020231210202.

20201213202003 is a `hidden beast` number, since 2 + 0 + 20 + 121 + 320 + 200 + 3 = 666.

It is not a de Polignac number, because 20201213202003 - 2²⁹ = 20200676331091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201213202083) 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 11 ways as a sum of consecutive naturals, for example, 1917013 + ... + 6639078.

It is an arithmetic number, because the mean of its divisors is an integer number (2431637068354).

Almost surely, 2^{20201213202003} is an apocalyptic number.

20201213202003 is a deficient number, since it is larger than the sum of its proper divisors (8978431618245).

20201213202003 is a wasteful number, since it uses less digits than its factorization.

20201213202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818434 (or 8818431 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20201213202003 its reverse (30020231210202), we get a palindrome (50221444412205).

The spelling of 20201213202003 in words is "twenty trillion, two hundred one billion, two hundred thirteen million, two hundred two thousand, three".