20016476652 has 12 divisors (see below), whose sum is σ = 46705112216. Its totient is φ = 6672158880.

The previous prime is 20016476591. The next prime is 20016476659. The reversal of 20016476652 is 25667461002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20016476652² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20016476652.

It is not an unprimeable number, because it can be changed into a prime (20016476659) 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, 834019849 + ... + 834019872.

Almost surely, 2^20016476652 is an apocalyptic number.

It is an amenable number.

20016476652 is an abundant number, since it is smaller than the sum of its proper divisors (26688635564).

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

20016476652 is a wasteful number, since it uses less digits than its factorization.

20016476652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668039728 (or 1668039726 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 20016476652 in words is "twenty billion, sixteen million, four hundred seventy-six thousand, six hundred fifty-two".