20203201203211 has 4 divisors (see below), whose sum is σ = 21757293603472. Its totient is φ = 18649108802952.

The previous prime is 20203201203209. The next prime is 20203201203217. The reversal of 20203201203211 is 11230210230202.

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

It is a cyclic number.

It is not a de Polignac number, because 20203201203211 - 2¹ = 20203201203209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203201203217) 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, 777046200111 + ... + 777046200136.

It is an arithmetic number, because the mean of its divisors is an integer number (5439323400868).

Almost surely, 2^{20203201203211} is an apocalyptic number.

20203201203211 is a deficient number, since it is larger than the sum of its proper divisors (1554092400261).

20203201203211 is a wasteful number, since it uses less digits than its factorization.

20203201203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554092400260.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20203201203211 its reverse (11230210230202), we get a palindrome (31433411433413).

The spelling of 20203201203211 in words is "twenty trillion, two hundred three billion, two hundred one million, two hundred three thousand, two hundred eleven".