20123013001996 has 12 divisors (see below), whose sum is σ = 35216475378448. Its totient is φ = 10061162893872.

The previous prime is 20123013001991. The next prime is 20123013002087. The reversal of 20123013001996 is 69910031032102.

It is not an unprimeable number, because it can be changed into a prime (20123013001991) 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 3 ways as a sum of consecutive naturals, for example, 85769991 + ... + 86004286.

Almost surely, 2^{20123013001996} is an apocalyptic number.

It is an amenable number.

20123013001996 is a deficient number, since it is larger than the sum of its proper divisors (15093462376452).

20123013001996 is a wasteful number, since it uses less digits than its factorization.

20123013001996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171803568 (or 171803566 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 20123013001996 in words is "twenty trillion, one hundred twenty-three billion, thirteen million, one thousand, nine hundred ninety-six".