20102303 has 8 divisors (see below), whose sum is σ = 22016400. Its totient is φ = 18240768.

The previous prime is 20102293. The next prime is 20102309. The reversal of 20102303 is 30320102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20102303 - 2⁶ = 20102239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12338 + ... + 13871.

It is an arithmetic number, because the mean of its divisors is an integer number (2752050).

Almost surely, 2^20102303 is an apocalyptic number.

20102303 is a deficient number, since it is larger than the sum of its proper divisors (1914097).

20102303 is a wasteful number, since it uses less digits than its factorization.

20102303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26281.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20102303 is about 4483.5591888588. The cubic root of 20102303 is about 271.9037965358.

Adding to 20102303 its reverse (30320102), we get a palindrome (50422405).

It can be divided in two parts, 20102 and 303, that multiplied together give a palindrome (6090906).

The spelling of 20102303 in words is "twenty million, one hundred two thousand, three hundred three".