20094072228 has 72 divisors (see below), whose sum is σ = 51154463360. Its totient is φ = 6650579520.

The previous prime is 20094072223. The next prime is 20094072239. The reversal of 20094072228 is 82227049002.

It is a happy number.

20094072228 is a `hidden beast` number, since 20 + 0 + 9 + 407 + 2 + 228 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20094072192 and 20094072201.

It is not an unprimeable number, because it can be changed into a prime (20094072223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2991738 + ... + 2998446.

Almost surely, 2^20094072228 is an apocalyptic number.

It is an amenable number.

20094072228 is an abundant number, since it is smaller than the sum of its proper divisors (31060391132).

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

20094072228 is a wasteful number, since it uses less digits than its factorization.

20094072228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297 (or 7292 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 20094072228 in words is "twenty billion, ninety-four million, seventy-two thousand, two hundred twenty-eight".