20040121033994 has 8 divisors (see below), whose sum is σ = 30089337889248. Its totient is φ = 10010341737580.

The previous prime is 20040121033987. The next prime is 20040121034027. The reversal of 20040121033994 is 49933012104002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4859387132 + ... + 4859391255.

It is an arithmetic number, because the mean of its divisors is an integer number (3761167236156).

Almost surely, 2^{20040121033994} is an apocalyptic number.

20040121033994 is a deficient number, since it is larger than the sum of its proper divisors (10049216855254).

20040121033994 is a wasteful number, since it uses less digits than its factorization.

20040121033994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718779420.

The product of its (nonzero) digits is 46656, while the sum is 38.

Adding to 20040121033994 its reverse (49933012104002), we get a palindrome (69973133137996).

The spelling of 20040121033994 in words is "twenty trillion, forty billion, one hundred twenty-one million, thirty-three thousand, nine hundred ninety-four".