20236118 has 24 divisors (see below), whose sum is σ = 36454464. Its totient is φ = 8391600.

The previous prime is 20236091. The next prime is 20236123. The reversal of 20236118 is 81163202.

It is a junction number, because it is equal to n+sod(n) for n = 20236093 and 20236102.

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 11 ways as a sum of consecutive naturals, for example, 293 + ... + 6368.

It is an arithmetic number, because the mean of its divisors is an integer number (1518936).

Almost surely, 2^20236118 is an apocalyptic number.

20236118 is a deficient number, since it is larger than the sum of its proper divisors (16218346).

20236118 is a wasteful number, since it uses less digits than its factorization.

20236118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708 (or 6701 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20236118 is about 4498.4572911166. The cubic root of 20236118 is about 272.5057900742.

The spelling of 20236118 in words is "twenty million, two hundred thirty-six thousand, one hundred eighteen".