20598168844 has 24 divisors (see below), whose sum is σ = 39330715536. Its totient is φ = 9361152000.

The previous prime is 20598168827. The next prime is 20598168863. The reversal of 20598168844 is 44886189502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231084 + ... + 307564.

It is an arithmetic number, because the mean of its divisors is an integer number (1638779814).

Almost surely, 2^20598168844 is an apocalyptic number.

It is an amenable number.

20598168844 is a deficient number, since it is larger than the sum of its proper divisors (18732546692).

20598168844 is a wasteful number, since it uses less digits than its factorization.

20598168844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82617 (or 82615 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

It can be divided in two parts, 2059 and 8168844, that added together give a triangular number (8170903 = T₄₀₄₂).

The spelling of 20598168844 in words is "twenty billion, five hundred ninety-eight million, one hundred sixty-eight thousand, eight hundred forty-four".