20006600562 has 128 divisors (see below), whose sum is σ = 49696416000. Its totient is φ = 5923653120.

The previous prime is 20006600561. The next prime is 20006600567. The reversal of 20006600562 is 26500660002.

20006600562 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 6 + 600 + 56 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20006600561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6737014 + ... + 6739982.

It is an arithmetic number, because the mean of its divisors is an integer number (388253250).

Almost surely, 2^20006600562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20006600562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24848208000).

20006600562 is an abundant number, since it is smaller than the sum of its proper divisors (29689815438).

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

20006600562 is a wasteful number, since it uses less digits than its factorization.

20006600562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 20006600562 in words is "twenty billion, six million, six hundred thousand, five hundred sixty-two".