20120303203 has 16 divisors (see below), whose sum is σ = 27014674176. Its totient is φ = 14472145440.

The previous prime is 20120303201. The next prime is 20120303221. The reversal of 20120303203 is 30230302102.

It is a cyclic number.

It is not a de Polignac number, because 20120303203 - 2¹ = 20120303201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120303201) 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 15 ways as a sum of consecutive naturals, for example, 10049101 + ... + 10051102.

It is an arithmetic number, because the mean of its divisors is an integer number (1688417136).

Almost surely, 2^20120303203 is an apocalyptic number.

20120303203 is a deficient number, since it is larger than the sum of its proper divisors (6894370973).

20120303203 is a wasteful number, since it uses less digits than its factorization.

20120303203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20100234.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20120303203 its reverse (30230302102), we get a palindrome (50350605305).

It can be divided in two parts, 20120 and 303203, that added together give a palindrome (323323).

The spelling of 20120303203 in words is "twenty billion, one hundred twenty million, three hundred three thousand, two hundred three".