20125486 has 8 divisors (see below), whose sum is σ = 30683304. Its totient is φ = 9897720.

The previous prime is 20125471. The next prime is 20125513. The reversal of 20125486 is 68452102.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 82360 + ... + 82603.

It is an arithmetic number, because the mean of its divisors is an integer number (3835413).

Almost surely, 2^20125486 is an apocalyptic number.

20125486 is a deficient number, since it is larger than the sum of its proper divisors (10557818).

20125486 is a wasteful number, since it uses less digits than its factorization.

20125486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165026.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 20125486 is about 4486.1437783468. The cubic root of 20125486 is about 272.0082808177.

Adding to 20125486 its reverse (68452102), we get a palindrome (88577588).

The spelling of 20125486 in words is "twenty million, one hundred twenty-five thousand, four hundred eighty-six".