20040121033378 has 32 divisors (see below), whose sum is σ = 31298733736704. Its totient is φ = 9615092677632.

The previous prime is 20040121033349. The next prime is 20040121033379. The reversal of 20040121033378 is 87333012104002.

It is not an unprimeable number, because it can be changed into a prime (20040121033379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716551 + ... + 6371317.

It is an arithmetic number, because the mean of its divisors is an integer number (978085429272).

Almost surely, 2^{20040121033378} is an apocalyptic number.

20040121033378 is a deficient number, since it is larger than the sum of its proper divisors (11258612703326).

20040121033378 is a wasteful number, since it uses less digits than its factorization.

20040121033378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655466.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 20040121033378 in words is "twenty trillion, forty billion, one hundred twenty-one million, thirty-three thousand, three hundred seventy-eight".