20163126 has 16 divisors (see below), whose sum is σ = 40446000. Its totient is φ = 6701088.

The previous prime is 20163119. The next prime is 20163131. The reversal of 20163126 is 62136102.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 2721 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (2527875).

Almost surely, 2^20163126 is an apocalyptic number.

20163126 is an abundant number, since it is smaller than the sum of its proper divisors (20282874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20163126 is a wasteful number, since it uses less digits than its factorization.

20163126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20163126 is about 4490.3369584030. The cubic root of 20163126 is about 272.1777511016.

Adding to 20163126 its reverse (62136102), we get a palindrome (82299228).

The spelling of 20163126 in words is "twenty million, one hundred sixty-three thousand, one hundred twenty-six".