20993868119 has 8 divisors (see below), whose sum is σ = 23995611648. Its totient is φ = 17992779480.

The previous prime is 20993868101. The next prime is 20993868121. The reversal of 20993868119 is 91186839902.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20993868119 is a prime.

It is a super-2 number, since 2×20993868119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20993868149) 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, 92987 + ... + 225020.

It is an arithmetic number, because the mean of its divisors is an integer number (2999451456).

Almost surely, 2^20993868119 is an apocalyptic number.

20993868119 is a deficient number, since it is larger than the sum of its proper divisors (3001743529).

20993868119 is an equidigital number, since it uses as much as digits as its factorization.

20993868119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327445.

The product of its (nonzero) digits is 1679616, while the sum is 56.

The spelling of 20993868119 in words is "twenty billion, nine hundred ninety-three million, eight hundred sixty-eight thousand, one hundred nineteen".