20064662600040 has 96 divisors (see below), whose sum is σ = 66183439402080. Its totient is φ = 5270717333376.

The previous prime is 20064662600027. The next prime is 20064662600077. The reversal of 20064662600040 is 4000626646002.

20064662600040 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 4 + 6 + 6 + 2 + 600 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20064662599968 and 20064662600004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415910014 + ... + 415958253.

It is an arithmetic number, because the mean of its divisors is an integer number (689410827105).

Almost surely, 2^{20064662600040} is an apocalyptic number.

20064662600040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20064662600040 is an abundant number, since it is smaller than the sum of its proper divisors (46118776802040).

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

20064662600040 is a wasteful number, since it uses less digits than its factorization.

20064662600040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831868351 (or 831868344 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 20064662600040 in words is "twenty trillion, sixty-four billion, six hundred sixty-two million, six hundred thousand, forty".