20000011994 has 16 divisors (see below), whose sum is σ = 31756237920. Its totient is φ = 9430638000.

The previous prime is 20000011963. The next prime is 20000012029. The reversal of 20000011994 is 49911000002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4007132 + ... + 4012119.

It is an arithmetic number, because the mean of its divisors is an integer number (1984764870).

Almost surely, 2^20000011994 is an apocalyptic number.

20000011994 is a deficient number, since it is larger than the sum of its proper divisors (11756225926).

20000011994 is a wasteful number, since it uses less digits than its factorization.

20000011994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8019325.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 20000011994 its reverse (49911000002), we get a palindrome (69911011996).

The spelling of 20000011994 in words is "twenty billion, eleven thousand, nine hundred ninety-four".