20474353 has 8 divisors (see below), whose sum is σ = 21206016. Its totient is φ = 19747200.

The previous prime is 20474317. The next prime is 20474359. The reversal of 20474353 is 35347402.

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

It is a cyclic number.

It is not a de Polignac number, because 20474353 - 2²¹ = 18377201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20474359) 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 7 ways as a sum of consecutive naturals, for example, 10008 + ... + 11878.

It is an arithmetic number, because the mean of its divisors is an integer number (2650752).

Almost surely, 2^20474353 is an apocalyptic number.

It is an amenable number.

20474353 is a deficient number, since it is larger than the sum of its proper divisors (731663).

20474353 is a wasteful number, since it uses less digits than its factorization.

20474353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 20474353 is about 4524.8594453309. The cubic root of 20474353 is about 273.5710027135.

It can be divided in two parts, 2047 and 4353, that added together give a square (6400 = 80²).

The spelling of 20474353 in words is "twenty million, four hundred seventy-four thousand, three hundred fifty-three".