20210200099 has 2 divisors, whose sum is σ = 20210200100. Its totient is φ = 20210200098.

The previous prime is 20210200093. The next prime is 20210200103. The reversal of 20210200099 is 99000201202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20210200099 - 2⁵ = 20210200067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20210200093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105100049 + 10105100050.

It is an arithmetic number, because the mean of its divisors is an integer number (10105100050).

Almost surely, 2^20210200099 is an apocalyptic number.

20210200099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210200099 is an equidigital number, since it uses as much as digits as its factorization.

20210200099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 20210200099 in words is "twenty billion, two hundred ten million, two hundred thousand, ninety-nine".