20064246228 has 36 divisors (see below), whose sum is σ = 54619338228. Its totient is φ = 6173614080.

The previous prime is 20064246227. The next prime is 20064246247. The reversal of 20064246228 is 82264246002.

20064246228 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 4 + 24 + 622 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1777634244 + 18286611984 = 42162^2 + 135228^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 20064246192 and 20064246201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064246227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21435693 + ... + 21436628.

Almost surely, 2^20064246228 is an apocalyptic number.

It is an amenable number.

20064246228 is an abundant number, since it is smaller than the sum of its proper divisors (34555092000).

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

20064246228 is a wasteful number, since it uses less digits than its factorization.

20064246228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42872344 (or 42872339 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 20064246228 in words is "twenty billion, sixty-four million, two hundred forty-six thousand, two hundred twenty-eight".