20002102999 has 8 divisors (see below), whose sum is σ = 20653250688. Its totient is φ = 19351325280.

The previous prime is 20002102969. The next prime is 20002103027. The reversal of 20002102999 is 99920120002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20002102999 - 2³¹ = 17854619351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002102909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19569 + ... + 200965.

It is an arithmetic number, because the mean of its divisors is an integer number (2581656336).

Almost surely, 2^20002102999 is an apocalyptic number.

20002102999 is a deficient number, since it is larger than the sum of its proper divisors (651147689).

20002102999 is a wasteful number, since it uses less digits than its factorization.

20002102999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184985.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 20002102999 in words is "twenty billion, two million, one hundred two thousand, nine hundred ninety-nine".