10203232099 has 4 divisors (see below), whose sum is σ = 10203434136. Its totient is φ = 10203030064.

The previous prime is 10203232097. The next prime is 10203232153. The reversal of 10203232099 is 99023230201.

It is a happy number.

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 10203232099 - 2¹ = 10203232097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10203232099.

It is not an unprimeable number, because it can be changed into a prime (10203232097) 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, 48732 + ... + 150934.

It is an arithmetic number, because the mean of its divisors is an integer number (2550858534).

Almost surely, 2^10203232099 is an apocalyptic number.

10203232099 is a deficient number, since it is larger than the sum of its proper divisors (202037).

10203232099 is an equidigital number, since it uses as much as digits as its factorization.

10203232099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202036.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 10203232099 in words is "ten billion, two hundred three million, two hundred thirty-two thousand, ninety-nine".