20475341 has 4 divisors (see below), whose sum is σ = 20563452. Its totient is φ = 20387232.

The previous prime is 20475337. The next prime is 20475349. The reversal of 20475341 is 14357402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10426441 + 10048900 = 3229^2 + 3170^2 .

It is a cyclic number.

It is not a de Polignac number, because 20475341 - 2² = 20475337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20475341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20475349) 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, 43706 + ... + 44171.

It is an arithmetic number, because the mean of its divisors is an integer number (5140863).

Almost surely, 2^20475341 is an apocalyptic number.

It is an amenable number.

20475341 is a deficient number, since it is larger than the sum of its proper divisors (88111).

20475341 is an equidigital number, since it uses as much as digits as its factorization.

20475341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88110.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20475341 is about 4524.9686186757. The cubic root of 20475341 is about 273.5754030773.

The spelling of 20475341 in words is "twenty million, four hundred seventy-five thousand, three hundred forty-one".