20202011111999 has 8 divisors (see below), whose sum is σ = 20214383843808. Its totient is φ = 20189638935040.

The previous prime is 20202011111977. The next prime is 20202011112043. The reversal of 20202011111999 is 99911111020202.

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 20202011111999 - 2¹² = 20202011107903 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 (20202011117999) 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, 90832859 + ... + 91054995.

It is an arithmetic number, because the mean of its divisors is an integer number (2526797980476).

Almost surely, 2^{20202011111999} is an apocalyptic number.

20202011111999 is a deficient number, since it is larger than the sum of its proper divisors (12372731809).

20202011111999 is a wasteful number, since it uses less digits than its factorization.

20202011111999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277425.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 20202011111999 in words is "twenty trillion, two hundred two billion, eleven million, one hundred eleven thousand, nine hundred ninety-nine".