20112030111208 has 32 divisors (see below), whose sum is σ = 44261996774400. Its totient is φ = 8386483597632.

The previous prime is 20112030111139. The next prime is 20112030111221. The reversal of 20112030111208 is 80211103021102.

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, 4853287048 + ... + 4853291191.

It is an arithmetic number, because the mean of its divisors is an integer number (1383187399200).

Almost surely, 2^{20112030111208} is an apocalyptic number.

20112030111208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20112030111208 is an abundant number, since it is smaller than the sum of its proper divisors (24149966663192).

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

20112030111208 is a wasteful number, since it uses less digits than its factorization.

20112030111208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706578289 (or 9706578285 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 20112030111208 in words is "twenty trillion, one hundred twelve billion, thirty million, one hundred eleven thousand, two hundred eight".