20331000099 has 12 divisors (see below), whose sum is σ = 29459644656. Its totient is φ = 13511241072.

The previous prime is 20331000061. The next prime is 20331000113. The reversal of 20331000099 is 99000013302.

It is not a de Polignac number, because 20331000099 - 2⁹ = 20330999587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20331000299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3560239 + ... + 3565944.

It is an arithmetic number, because the mean of its divisors is an integer number (2454970388).

Almost surely, 2^20331000099 is an apocalyptic number.

20331000099 is a deficient number, since it is larger than the sum of its proper divisors (9128644557).

20331000099 is a wasteful number, since it uses less digits than its factorization.

20331000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126506 (or 7126503 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The spelling of 20331000099 in words is "twenty billion, three hundred thirty-one million, ninety-nine", and thus it is an aban number.