20670560046 has 64 divisors (see below), whose sum is σ = 47958220800. Its totient is φ = 6586972128.

The previous prime is 20670560033. The next prime is 20670560077. The reversal of 20670560046 is 64006507602.

20670560046 is a `hidden beast` number, since 2 + 0 + 6 + 7 + 0 + 5 + 600 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3073075 + ... + 3079793.

It is an arithmetic number, because the mean of its divisors is an integer number (749347200).

Almost surely, 2^20670560046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20670560046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23979110400).

20670560046 is an abundant number, since it is smaller than the sum of its proper divisors (27287660754).

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

20670560046 is a wasteful number, since it uses less digits than its factorization.

20670560046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9230 (or 9224 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 20670560046 in words is "twenty billion, six hundred seventy million, five hundred sixty thousand, forty-six".