20125441 has 4 divisors (see below), whose sum is σ = 23000512. Its totient is φ = 17250372.

The previous prime is 20125439. The next prime is 20125451. The reversal of 20125441 is 14452102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20125441 - 2¹ = 20125439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20125411) 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, 1437525 + ... + 1437538.

It is an arithmetic number, because the mean of its divisors is an integer number (5750128).

Almost surely, 2^20125441 is an apocalyptic number.

It is an amenable number.

20125441 is a deficient number, since it is larger than the sum of its proper divisors (2875071).

20125441 is an equidigital number, since it uses as much as digits as its factorization.

20125441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875070.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20125441 is about 4486.1387629007. The cubic root of 20125441 is about 272.0080780833.

Adding to 20125441 its reverse (14452102), we get a palindrome (34577543).

It can be divided in two parts, 201254 and 41, that added together give a triangular number (201295 = T₆₃₄).

The spelling of 20125441 in words is "twenty million, one hundred twenty-five thousand, four hundred forty-one".