20445162453064 has 32 divisors (see below), whose sum is σ = 38388962304000. Its totient is φ = 10208114704512.

The previous prime is 20445162453059. The next prime is 20445162453101. The reversal of 20445162453064 is 46035426154402.

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, 17950617 + ... + 19055575.

It is an arithmetic number, because the mean of its divisors is an integer number (1199655072000).

Almost surely, 2^{20445162453064} is an apocalyptic number.

It is an amenable number.

20445162453064 is a deficient number, since it is larger than the sum of its proper divisors (17943799850936).

20445162453064 is a wasteful number, since it uses less digits than its factorization.

20445162453064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108237 (or 1108233 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 20445162453064 in words is "twenty trillion, four hundred forty-five billion, one hundred sixty-two million, four hundred fifty-three thousand, sixty-four".