20844313084375 has 48 divisors (see below), whose sum is σ = 28450971021312. Its totient is φ = 15144178500000.

The previous prime is 20844313084303. The next prime is 20844313084409. The reversal of 20844313084375 is 57348031344802.

It is not a de Polignac number, because 20844313084375 - 2⁷ = 20844313084247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33759682 + ... + 34371568.

It is an arithmetic number, because the mean of its divisors is an integer number (592728562944).

Almost surely, 2^{20844313084375} is an apocalyptic number.

20844313084375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20844313084375 is a deficient number, since it is larger than the sum of its proper divisors (7606657936937).

20844313084375 is an frugal number, since it uses more digits than its factorization.

20844313084375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612914 (or 612894 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 20844313084375 in words is "twenty trillion, eight hundred forty-four billion, three hundred thirteen million, eighty-four thousand, three hundred seventy-five".