20102001099 has 16 divisors (see below), whose sum is σ = 27543321120. Its totient is φ = 13031435520.

The previous prime is 20102001037. The next prime is 20102001103. The reversal of 20102001099 is 99010020102.

It is not a de Polignac number, because 20102001099 - 2⁸ = 20102000843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102001299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138417 + ... + 243645.

It is an arithmetic number, because the mean of its divisors is an integer number (1721457570).

Almost surely, 2^20102001099 is an apocalyptic number.

20102001099 is a deficient number, since it is larger than the sum of its proper divisors (7441320021).

20102001099 is a wasteful number, since it uses less digits than its factorization.

20102001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106990.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 20102001099 in words is "twenty billion, one hundred two million, one thousand, ninety-nine".