20374536166064 has 10 divisors (see below), whose sum is σ = 39475663821780. Its totient is φ = 10187268083024.

The previous prime is 20374536165979. The next prime is 20374536166087. The reversal of 20374536166064 is 46066163547302.

It is a junction number, because it is equal to n+sod(n) for n = 20374536165997 and 20374536166015.

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 as a sum of consecutive naturals, namely, 636704255174 + ... + 636704255205.

It is an arithmetic number, because the mean of its divisors is an integer number (3947566382178).

Almost surely, 2^{20374536166064} is an apocalyptic number.

It is an amenable number.

20374536166064 is a deficient number, since it is larger than the sum of its proper divisors (19101127655716).

20374536166064 is a wasteful number, since it uses less digits than its factorization.

20374536166064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273408510387 (or 1273408510381 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 20374536166064 in words is "twenty trillion, three hundred seventy-four billion, five hundred thirty-six million, one hundred sixty-six thousand, sixty-four".