20474582 has 8 divisors (see below), whose sum is σ = 30810936. Its totient is φ = 10204272.

The previous prime is 20474581. The next prime is 20474591. The reversal of 20474582 is 28547402.

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 (20474581) by changing a digit.

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, 15728 + ... + 16979.

It is an arithmetic number, because the mean of its divisors is an integer number (3851367).

Almost surely, 2^20474582 is an apocalyptic number.

20474582 is a deficient number, since it is larger than the sum of its proper divisors (10336354).

20474582 is a wasteful number, since it uses less digits than its factorization.

20474582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33022.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 20474582 is about 4524.8847499135. The cubic root of 20474582 is about 273.5720226485.

The spelling of 20474582 in words is "twenty million, four hundred seventy-four thousand, five hundred eighty-two".