229920203 has 2 divisors, whose sum is σ = 229920204. Its totient is φ = 229920202.

The previous prime is 229920199. The next prime is 229920221. The reversal of 229920203 is 302029922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229920203 - 2² = 229920199 is a prime.

It is a super-2 number, since 2×229920203² = 105726599495122418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229920253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114960101 + 114960102.

It is an arithmetic number, because the mean of its divisors is an integer number (114960102).

Almost surely, 2^229920203 is an apocalyptic number.

229920203 is a deficient number, since it is larger than the sum of its proper divisors (1).

229920203 is an equidigital number, since it uses as much as digits as its factorization.

229920203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 229920203 is about 15163.1198306945. The cubic root of 229920203 is about 612.6217027634.

The spelling of 229920203 in words is "two hundred twenty-nine million, nine hundred twenty thousand, two hundred three".