20845119162446 has 16 divisors (see below), whose sum is σ = 32639258768544. Its totient is φ = 9965702787744.

The previous prime is 20845119162419. The next prime is 20845119162451. The reversal of 20845119162446 is 64426191154802.

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 7 ways as a sum of consecutive naturals, for example, 84011801 + ... + 84259556.

It is an arithmetic number, because the mean of its divisors is an integer number (2039953673034).

Almost surely, 2^{20845119162446} is an apocalyptic number.

20845119162446 is a deficient number, since it is larger than the sum of its proper divisors (11794139606098).

20845119162446 is a wasteful number, since it uses less digits than its factorization.

20845119162446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168274075.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 20845119162446 in words is "twenty trillion, eight hundred forty-five billion, one hundred nineteen million, one hundred sixty-two thousand, four hundred forty-six".