20118826 has 16 divisors (see below), whose sum is σ = 37142784. Its totient is φ = 7959024.

The previous prime is 20118811. The next prime is 20118841. The reversal of 20118826 is 62881102.

It is an interprime number because it is at equal distance from previous prime (20118811) and next prime (20118841).

It is a junction number, because it is equal to n+sod(n) for n = 20118794 and 20118803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55090 + ... + 55453.

It is an arithmetic number, because the mean of its divisors is an integer number (2321424).

Almost surely, 2^20118826 is an apocalyptic number.

20118826 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20118826 is a deficient number, since it is larger than the sum of its proper divisors (17023958).

20118826 is a wasteful number, since it uses less digits than its factorization.

20118826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110565.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 20118826 is about 4485.4014313102. The cubic root of 20118826 is about 271.9782728464.

Adding to 20118826 its reverse (62881102), we get a palindrome (82999928).

The spelling of 20118826 in words is "twenty million, one hundred eighteen thousand, eight hundred twenty-six".