20112120033228 has 60 divisors (see below), whose sum is σ = 54273088575552. Its totient is φ = 6487780652640.

The previous prime is 20112120033221. The next prime is 20112120033263. The reversal of 20112120033228 is 82233002121102.

20112120033228 is a `hidden beast` number, since 2 + 0 + 1 + 121 + 200 + 332 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20112120033221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1001190675 + ... + 1001210762.

Almost surely, 2^{20112120033228} is an apocalyptic number.

It is an amenable number.

20112120033228 is an abundant number, since it is smaller than the sum of its proper divisors (34160968542324).

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

20112120033228 is a wasteful number, since it uses less digits than its factorization.

20112120033228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002401484 (or 2002401473 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 20112120033228 in words is "twenty trillion, one hundred twelve billion, one hundred twenty million, thirty-three thousand, two hundred twenty-eight".