20005164320612 has 12 divisors (see below), whose sum is σ = 35068678174320. Its totient is φ = 9985541985096.

The previous prime is 20005164320551. The next prime is 20005164320623. The reversal of 20005164320612 is 21602346150002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260041162 + ... + 4260045857.

It is an arithmetic number, because the mean of its divisors is an integer number (2922389847860).

Almost surely, 2^{20005164320612} is an apocalyptic number.

It is an amenable number.

20005164320612 is a deficient number, since it is larger than the sum of its proper divisors (15063513853708).

20005164320612 is a wasteful number, since it uses less digits than its factorization.

20005164320612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8520087610 (or 8520087608 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20005164320612 in words is "twenty trillion, five billion, one hundred sixty-four million, three hundred twenty thousand, six hundred twelve".