20456085175444 has 12 divisors (see below), whose sum is σ = 37354590320544. Its totient is φ = 9783345083864.

The previous prime is 20456085175417. The next prime is 20456085175453. The reversal of 20456085175444 is 44457158065402.

It is a happy number.

It is a congruent number.

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, 111174375862 + ... + 111174376045.

It is an arithmetic number, because the mean of its divisors is an integer number (3112882526712).

Almost surely, 2^{20456085175444} is an apocalyptic number.

It is an amenable number.

20456085175444 is a deficient number, since it is larger than the sum of its proper divisors (16898505145100).

20456085175444 is a wasteful number, since it uses less digits than its factorization.

20456085175444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222348751934 (or 222348751932 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 55.

The spelling of 20456085175444 in words is "twenty trillion, four hundred fifty-six billion, eighty-five million, one hundred seventy-five thousand, four hundred forty-four".