20113840608442 has 16 divisors (see below), whose sum is σ = 36295652226240. Its totient is φ = 8166521750688.

The previous prime is 20113840608427. The next prime is 20113840608457. The reversal of 20113840608442 is 24480604831102.

It is an interprime number because it is at equal distance from previous prime (20113840608427) and next prime (20113840608457).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37807970803 + ... + 37807971334.

It is an arithmetic number, because the mean of its divisors is an integer number (2268478264140).

Almost surely, 2^{20113840608442} is an apocalyptic number.

20113840608442 is a deficient number, since it is larger than the sum of its proper divisors (16181811617798).

20113840608442 is a wasteful number, since it uses less digits than its factorization.

20113840608442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75615942165.

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 20113840608442 in words is "twenty trillion, one hundred thirteen billion, eight hundred forty million, six hundred eight thousand, four hundred forty-two".