20481112272816 has 100 divisors (see below), whose sum is σ = 63838148787952. Its totient is φ = 6301880694144.

The previous prime is 20481112272799. The next prime is 20481112272833. The reversal of 20481112272816 is 61827221118402.

20481112272816 is a `hidden beast` number, since 2 + 0 + 481 + 1 + 1 + 22 + 72 + 81 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (20481112272799) and next prime (20481112272833).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 607803436 + ... + 607837131.

Almost surely, 2^{20481112272816} is an apocalyptic number.

20481112272816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20481112272816 is an abundant number, since it is smaller than the sum of its proper divisors (43357036515136).

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

20481112272816 is a wasteful number, since it uses less digits than its factorization.

20481112272816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215640600 (or 1215640585 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 20481112272816 in words is "twenty trillion, four hundred eighty-one billion, one hundred twelve million, two hundred seventy-two thousand, eight hundred sixteen".