20275174 has 4 divisors (see below), whose sum is σ = 30412764. Its totient is φ = 10137586.

The previous prime is 20275163. The next prime is 20275181. The reversal of 20275174 is 47157202.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20275174² = 822165361460552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068792 + ... + 5068795.

It is an arithmetic number, because the mean of its divisors is an integer number (7603191).

Almost surely, 2^20275174 is an apocalyptic number.

20275174 is a deficient number, since it is larger than the sum of its proper divisors (10137590).

20275174 is a wasteful number, since it uses less digits than its factorization.

20275174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137589.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 20275174 is about 4502.7962423365. The cubic root of 20275174 is about 272.6809907794.

It can be divided in two parts, 20275 and 174, that added together give a square (20449 = 143²).

The spelling of 20275174 in words is "twenty million, two hundred seventy-five thousand, one hundred seventy-four".