20201342203 has 16 divisors (see below), whose sum is σ = 25140384000. Its totient is φ = 15838435872.

The previous prime is 20201342149. The next prime is 20201342209. The reversal of 20201342203 is 30224310202.

It is not a de Polignac number, because 20201342203 - 2²⁵ = 20167787771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201342209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2614933 + ... + 2622646.

It is an arithmetic number, because the mean of its divisors is an integer number (1571274000).

Almost surely, 2^20201342203 is an apocalyptic number.

20201342203 is a deficient number, since it is larger than the sum of its proper divisors (4939041797).

20201342203 is a wasteful number, since it uses less digits than its factorization.

20201342203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237634.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20201342203 its reverse (30224310202), we get a palindrome (50425652405).

It can be divided in two parts, 20201 and 342203, that added together give a square (362404 = 602²).

The spelling of 20201342203 in words is "twenty billion, two hundred one million, three hundred forty-two thousand, two hundred three".