20674814 has 8 divisors (see below), whose sum is σ = 31062528. Its totient is φ = 10320640.

The previous prime is 20674811. The next prime is 20674817. The reversal of 20674814 is 41847602.

It is an interprime number because it is at equal distance from previous prime (20674811) and next prime (20674817).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20674811) 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 3 ways as a sum of consecutive naturals, for example, 6782 + ... + 9345.

It is an arithmetic number, because the mean of its divisors is an integer number (3882816).

Almost surely, 2^20674814 is an apocalyptic number.

20674814 is a deficient number, since it is larger than the sum of its proper divisors (10387714).

20674814 is a wasteful number, since it uses less digits than its factorization.

20674814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16770.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 20674814 is about 4546.9565645605. The cubic root of 20674814 is about 274.4609340747.

The spelling of 20674814 in words is "twenty million, six hundred seventy-four thousand, eight hundred fourteen".