20113822 has 32 divisors (see below), whose sum is σ = 33825600. Its totient is φ = 8952064.

The previous prime is 20113817. The next prime is 20113843. The reversal of 20113822 is 22831102.

It is a self number, because there is not a number n which added to its sum of digits gives 20113822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225954 + ... + 226042.

It is an arithmetic number, because the mean of its divisors is an integer number (1057050).

Almost surely, 2^20113822 is an apocalyptic number.

20113822 is a deficient number, since it is larger than the sum of its proper divisors (13711778).

20113822 is an equidigital number, since it uses as much as digits as its factorization.

20113822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20113822 is about 4484.8435870162. The cubic root of 20113822 is about 271.9557219592.

Adding to 20113822 its reverse (22831102), we get a palindrome (42944924).

The spelling of 20113822 in words is "twenty million, one hundred thirteen thousand, eight hundred twenty-two".