20192748203 has 4 divisors (see below), whose sum is σ = 20202416520. Its totient is φ = 20183079888.

The previous prime is 20192748181. The next prime is 20192748221. The reversal of 20192748203 is 30284729102.

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 20192748203 - 2⁶ = 20192748139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20192748263) 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, 4831025 + ... + 4835202.

It is an arithmetic number, because the mean of its divisors is an integer number (5050604130).

Almost surely, 2^20192748203 is an apocalyptic number.

20192748203 is a deficient number, since it is larger than the sum of its proper divisors (9668317).

20192748203 is an equidigital number, since it uses as much as digits as its factorization.

20192748203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668316.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 20192748203 in words is "twenty billion, one hundred ninety-two million, seven hundred forty-eight thousand, two hundred three".