20116822 has 16 divisors (see below), whose sum is σ = 33224400. Its totient is φ = 9059040.

The previous prime is 20116813. The next prime is 20116841. The reversal of 20116822 is 22861102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20116793 and 20116802.

It is a congruent number.

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, 1797 + ... + 6592.

It is an arithmetic number, because the mean of its divisors is an integer number (2076525).

Almost surely, 2^20116822 is an apocalyptic number.

20116822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20116822 is a deficient number, since it is larger than the sum of its proper divisors (13107578).

20116822 is a wasteful number, since it uses less digits than its factorization.

20116822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 20116822 is about 4485.1780343705. The cubic root of 20116822 is about 271.9692421247.

Adding to 20116822 its reverse (22861102), we get a palindrome (42977924).

The spelling of 20116822 in words is "twenty million, one hundred sixteen thousand, eight hundred twenty-two".