20075684016 has 20 divisors (see below), whose sum is σ = 51862183832. Its totient is φ = 6691894656.

The previous prime is 20075684009. The next prime is 20075684017. The reversal of 20075684016 is 61048657002.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20075684017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209121661 + ... + 209121756.

Almost surely, 2^20075684016 is an apocalyptic number.

It is an amenable number.

20075684016 is an abundant number, since it is smaller than the sum of its proper divisors (31786499816).

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

20075684016 is a wasteful number, since it uses less digits than its factorization.

20075684016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418243428 (or 418243422 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 20075684016 in words is "twenty billion, seventy-five million, six hundred eighty-four thousand, sixteen".