20174423874 has 16 divisors (see below), whose sum is σ = 44016924960. Its totient is φ = 6113461760.

The previous prime is 20174423873. The next prime is 20174423897. The reversal of 20174423874 is 47832447102.

It is not an unprimeable number, because it can be changed into a prime (20174423873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152836479 + ... + 152836610.

It is an arithmetic number, because the mean of its divisors is an integer number (2751057810).

Almost surely, 2^20174423874 is an apocalyptic number.

20174423874 is an abundant number, since it is smaller than the sum of its proper divisors (23842501086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20174423874 is a wasteful number, since it uses less digits than its factorization.

20174423874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305673105.

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 20174423874 in words is "twenty billion, one hundred seventy-four million, four hundred twenty-three thousand, eight hundred seventy-four".