20118626 has 16 divisors (see below), whose sum is σ = 33415200. Its totient is φ = 9007680.

The previous prime is 20118617. The next prime is 20118643. The reversal of 20118626 is 62681102.

It is a super-2 number, since 2×20118626² = 809518224255752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20118595 and 20118604.

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, 5351 + ... + 8298.

It is an arithmetic number, because the mean of its divisors is an integer number (2088450).

Almost surely, 2^20118626 is an apocalyptic number.

20118626 is a deficient number, since it is larger than the sum of its proper divisors (13296574).

20118626 is a wasteful number, since it uses less digits than its factorization.

20118626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13729.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 20118626 is about 4485.3791367063. The cubic root of 20118626 is about 271.9773716037.

Adding to 20118626 its reverse (62681102), we get a palindrome (82799728).

The spelling of 20118626 in words is "twenty million, one hundred eighteen thousand, six hundred twenty-six".