20213201203 has 4 divisors (see below), whose sum is σ = 21768062848. Its totient is φ = 18658339560.

The previous prime is 20213201179. The next prime is 20213201207. The reversal of 20213201203 is 30210231202.

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 20213201203 - 2²¹ = 20211104051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213201207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777430803 + ... + 777430828.

It is an arithmetic number, because the mean of its divisors is an integer number (5442015712).

Almost surely, 2^20213201203 is an apocalyptic number.

20213201203 is a deficient number, since it is larger than the sum of its proper divisors (1554861645).

20213201203 is a wasteful number, since it uses less digits than its factorization.

20213201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554861644.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20213201203 its reverse (30210231202), we get a palindrome (50423432405).

The spelling of 20213201203 in words is "twenty billion, two hundred thirteen million, two hundred one thousand, two hundred three".