20006266416 has 40 divisors (see below), whose sum is σ = 51726324720. Its totient is φ = 6663146496.

The previous prime is 20006266409. The next prime is 20006266447. The reversal of 20006266416 is 61466260002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117421 + ... + 231948.

It is an arithmetic number, because the mean of its divisors is an integer number (1293158118).

Almost surely, 2^20006266416 is an apocalyptic number.

It is an amenable number.

20006266416 is an abundant number, since it is smaller than the sum of its proper divisors (31720058304).

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

20006266416 is a wasteful number, since it uses less digits than its factorization.

20006266416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350573 (or 350567 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 20006266416 in words is "twenty billion, six million, two hundred sixty-six thousand, four hundred sixteen".