20174434 has 8 divisors (see below), whose sum is σ = 34584768. Its totient is φ = 8646180.

The previous prime is 20174423. The next prime is 20174449. The reversal of 20174434 is 43447102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20174399 and 20174408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720502 + ... + 720529.

It is an arithmetic number, because the mean of its divisors is an integer number (4323096).

Almost surely, 2^20174434 is an apocalyptic number.

20174434 is a deficient number, since it is larger than the sum of its proper divisors (14410334).

20174434 is a wasteful number, since it uses less digits than its factorization.

20174434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441040.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20174434 is about 4491.5959301789. The cubic root of 20174434 is about 272.2286230219.

The spelling of 20174434 in words is "twenty million, one hundred seventy-four thousand, four hundred thirty-four".