20244297804938 has 16 divisors (see below), whose sum is σ = 30395912334144. Its totient is φ = 10112331509280.

The previous prime is 20244297804919. The next prime is 20244297804959. The reversal of 20244297804938 is 83940879244202.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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, 7932131 + ... + 10168937.

It is an arithmetic number, because the mean of its divisors is an integer number (1899744520884).

Almost surely, 2^{20244297804938} is an apocalyptic number.

20244297804938 is a deficient number, since it is larger than the sum of its proper divisors (10151614529206).

20244297804938 is a wasteful number, since it uses less digits than its factorization.

20244297804938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241197.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 20244297804938 in words is "twenty trillion, two hundred forty-four billion, two hundred ninety-seven million, eight hundred four thousand, nine hundred thirty-eight".