20063156 has 24 divisors (see below), whose sum is σ = 35857920. Its totient is φ = 9820512.

The previous prime is 20063149. The next prime is 20063159. The reversal of 20063156 is 65136002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20063159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54485 + ... + 54851.

It is an arithmetic number, because the mean of its divisors is an integer number (1494080).

Almost surely, 2^20063156 is an apocalyptic number.

It is an amenable number.

20063156 is a deficient number, since it is larger than the sum of its proper divisors (15794764).

20063156 is a wasteful number, since it uses less digits than its factorization.

20063156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20063156 is about 4479.1914448927. The cubic root of 20063156 is about 271.7271810359.

Adding to 20063156 its reverse (65136002), we get a palindrome (85199158).

The spelling of 20063156 in words is "twenty million, sixty-three thousand, one hundred fifty-six".