20143004163888 has 20 divisors (see below), whose sum is σ = 52036094090168. Its totient is φ = 6714334721280.

The previous prime is 20143004163869. The next prime is 20143004163899. The reversal of 20143004163888 is 88836140034102.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 419645920081 = 20143004163888 / (2 + 0 + 1 + 4 + 3 + 0 + 0 + 4 + 1 + 6 + 3 + 8 + 8 + 8).

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, 209822959993 + ... + 209822960088.

Almost surely, 2^{20143004163888} is an apocalyptic number.

It is an amenable number.

20143004163888 is an abundant number, since it is smaller than the sum of its proper divisors (31893089926280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20143004163888 is a wasteful number, since it uses less digits than its factorization.

20143004163888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419645920092 (or 419645920086 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 20143004163888 in words is "twenty trillion, one hundred forty-three billion, four million, one hundred sixty-three thousand, eight hundred eighty-eight".