20410323203 has 4 divisors (see below), whose sum is σ = 21484550760. Its totient is φ = 19336095648.

The previous prime is 20410323173. The next prime is 20410323217. The reversal of 20410323203 is 30232301402.

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 20410323203 - 2¹⁶ = 20410257667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20410323223) 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, 537113750 + ... + 537113787.

It is an arithmetic number, because the mean of its divisors is an integer number (5371137690).

Almost surely, 2^20410323203 is an apocalyptic number.

20410323203 is a deficient number, since it is larger than the sum of its proper divisors (1074227557).

20410323203 is a wasteful number, since it uses less digits than its factorization.

20410323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074227556.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20410323203 its reverse (30232301402), we get a palindrome (50642624605).

The spelling of 20410323203 in words is "twenty billion, four hundred ten million, three hundred twenty-three thousand, two hundred three".