20475374 has 8 divisors (see below), whose sum is σ = 30985200. Its totient is φ = 10146976.

The previous prime is 20475373. The next prime is 20475383. The reversal of 20475374 is 47357402.

20475374 = T₁₆₄ + T₁₆₅ + ... + T₅₀₂.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20475374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20475373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45074 + ... + 45525.

It is an arithmetic number, because the mean of its divisors is an integer number (3873150).

Almost surely, 2^20475374 is an apocalyptic number.

20475374 is a deficient number, since it is larger than the sum of its proper divisors (10509826).

20475374 is a wasteful number, since it uses less digits than its factorization.

20475374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90714.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 20475374 is about 4524.9722651084. The cubic root of 20475374 is about 273.5755500506.

The spelling of 20475374 in words is "twenty million, four hundred seventy-five thousand, three hundred seventy-four".