20113099 has 2 divisors, whose sum is σ = 20113100. Its totient is φ = 20113098.

The previous prime is 20113097. The next prime is 20113123. The reversal of 20113099 is 99031102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113099 - 2¹ = 20113097 is a prime.

Together with 20113097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20113097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056549 + 10056550.

It is an arithmetic number, because the mean of its divisors is an integer number (10056550).

Almost surely, 2^20113099 is an apocalyptic number.

20113099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113099 is an equidigital number, since it uses as much as digits as its factorization.

20113099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 20113099 is about 4484.7629814740. The cubic root of 20113099 is about 271.9524633983.

The spelling of 20113099 in words is "twenty million, one hundred thirteen thousand, ninety-nine".