20349241 has 8 divisors (see below), whose sum is σ = 22342464. Its totient is φ = 18379920.

The previous prime is 20349229. The next prime is 20349253. The reversal of 20349241 is 14294302.

20349241 = T₁₉₁₈ + T₁₉₁₉ + ... + T₁₉₂₈.

It is an interprime number because it is at equal distance from previous prime (20349229) and next prime (20349253).

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 20349241 - 2⁹ = 20348729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20349281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4165 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (2792808).

Almost surely, 2^20349241 is an apocalyptic number.

It is an amenable number.

20349241 is a deficient number, since it is larger than the sum of its proper divisors (1993223).

20349241 is a wasteful number, since it uses less digits than its factorization.

20349241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20349241 is about 4511.0133008006. The cubic root of 20349241 is about 273.0126298459.

The spelling of 20349241 in words is "twenty million, three hundred forty-nine thousand, two hundred forty-one".