20301023203 has 16 divisors (see below), whose sum is σ = 20786030496. Its totient is φ = 19822325760.

The previous prime is 20301023191. The next prime is 20301023213. The reversal of 20301023203 is 30232010302.

It is a cyclic number.

It is not a de Polignac number, because 20301023203 - 2¹³ = 20301015011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301023213) 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, 8315463 + ... + 8317903.

It is an arithmetic number, because the mean of its divisors is an integer number (1299126906).

Almost surely, 2^20301023203 is an apocalyptic number.

20301023203 is a deficient number, since it is larger than the sum of its proper divisors (485007293).

20301023203 is a wasteful number, since it uses less digits than its factorization.

20301023203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654.

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

Adding to 20301023203 its reverse (30232010302), we get a palindrome (50533033505).

The spelling of 20301023203 in words is "twenty billion, three hundred one million, twenty-three thousand, two hundred three".