20125046 has 8 divisors (see below), whose sum is σ = 31500144. Its totient is φ = 9625000.

The previous prime is 20125037. The next prime is 20125051. The reversal of 20125046 is 64052102.

It is a happy number.

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, 218705 + ... + 218796.

It is an arithmetic number, because the mean of its divisors is an integer number (3937518).

Almost surely, 2^20125046 is an apocalyptic number.

20125046 is a deficient number, since it is larger than the sum of its proper divisors (11375098).

20125046 is a wasteful number, since it uses less digits than its factorization.

20125046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437526.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20125046 is about 4486.0947381882. The cubic root of 20125046 is about 272.0062985133.

Adding to 20125046 its reverse (64052102), we get a palindrome (84177148).

The spelling of 20125046 in words is "twenty million, one hundred twenty-five thousand, forty-six".