20200231099 has 2 divisors, whose sum is σ = 20200231100. Its totient is φ = 20200231098.

The previous prime is 20200231063. The next prime is 20200231151. The reversal of 20200231099 is 99013200202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20200231099 - 2⁷ = 20200230971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200231199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100115549 + 10100115550.

It is an arithmetic number, because the mean of its divisors is an integer number (10100115550).

Almost surely, 2^20200231099 is an apocalyptic number.

20200231099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200231099 is an equidigital number, since it uses as much as digits as its factorization.

20200231099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 20200231099 in words is "twenty billion, two hundred million, two hundred thirty-one thousand, ninety-nine".