20112002999 has 16 divisors (see below), whose sum is σ = 22923613440. Its totient is φ = 17466303360.

The previous prime is 20112002971. The next prime is 20112003011. The reversal of 20112002999 is 99920021102.

It is not a de Polignac number, because 20112002999 - 2¹⁶ = 20111937463 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 (20112002969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148607 + ... + 249615.

It is an arithmetic number, because the mean of its divisors is an integer number (1432725840).

Almost surely, 2^20112002999 is an apocalyptic number.

20112002999 is a deficient number, since it is larger than the sum of its proper divisors (2811610441).

20112002999 is a wasteful number, since it uses less digits than its factorization.

20112002999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101830.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 20112002999 in words is "twenty billion, one hundred twelve million, two thousand, nine hundred ninety-nine".