20103233 has 4 divisors (see below), whose sum is σ = 20136960. Its totient is φ = 20069508.

The previous prime is 20103203. The next prime is 20103241. The reversal of 20103233 is 33230102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33230102 = 2 ⋅16615051.

It is a cyclic number.

It is not a de Polignac number, because 20103233 - 2¹⁴ = 20086849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103203) 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, 15953 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (5034240).

Almost surely, 2^20103233 is an apocalyptic number.

It is an amenable number.

20103233 is a deficient number, since it is larger than the sum of its proper divisors (33727).

20103233 is an equidigital number, since it uses as much as digits as its factorization.

20103233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33726.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 20103233 is about 4483.6628999067. The cubic root of 20103233 is about 271.9079895319.

Adding to 20103233 its reverse (33230102), we get a palindrome (53333335).

The spelling of 20103233 in words is "twenty million, one hundred three thousand, two hundred thirty-three".