20146241 has 8 divisors (see below), whose sum is σ = 21908520. Its totient is φ = 18448128.

The previous prime is 20146237. The next prime is 20146253. The reversal of 20146241 is 14264102.

It can be written as a sum of positive squares in 4 ways, for example, as 3097600 + 17048641 = 1760^2 + 4129^2 .

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

It is not a de Polignac number, because 20146241 - 2² = 20146237 is a prime.

It is a super-3 number, since 3×20146241³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15386 + ... + 16643.

It is an arithmetic number, because the mean of its divisors is an integer number (2738565).

Almost surely, 2^20146241 is an apocalyptic number.

It is an amenable number.

20146241 is a deficient number, since it is larger than the sum of its proper divisors (1762279).

20146241 is a wasteful number, since it uses less digits than its factorization.

20146241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32083.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20146241 is about 4488.4564161859. The cubic root of 20146241 is about 272.1017542088.

The spelling of 20146241 in words is "twenty million, one hundred forty-six thousand, two hundred forty-one".