180920099 has 2 divisors, whose sum is σ = 180920100. Its totient is φ = 180920098.

The previous prime is 180920063. The next prime is 180920101. The reversal of 180920099 is 990029081.

180920099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 180920099 - 2¹² = 180916003 is a prime.

It is a super-3 number, since 3×180920099³ (a number of 26 digits) contains 333 as substring.

Together with 180920101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (180920029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90460049 + 90460050.

It is an arithmetic number, because the mean of its divisors is an integer number (90460050).

Almost surely, 2^180920099 is an apocalyptic number.

180920099 is a deficient number, since it is larger than the sum of its proper divisors (1).

180920099 is an equidigital number, since it uses as much as digits as its factorization.

180920099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 180920099 is about 13450.6542220072. The cubic root of 180920099 is about 565.5820341955.

The spelling of 180920099 in words is "one hundred eighty million, nine hundred twenty thousand, ninety-nine".