20201122 has 8 divisors (see below), whose sum is σ = 30505500. Its totient is φ = 10032624.

The previous prime is 20201113. The next prime is 20201141. The reversal of 20201122 is 22110202.

It can be written as a sum of positive squares in 2 ways, for example, as 20169081 + 32041 = 4491^2 + 179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20201099 and 20201108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33597 + ... + 34192.

Almost surely, 2^20201122 is an apocalyptic number.

20201122 is a deficient number, since it is larger than the sum of its proper divisors (10304378).

20201122 is a wasteful number, since it uses less digits than its factorization.

20201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67940.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20201122 is about 4494.5658299774. The cubic root of 20201122 is about 272.3486104642.

Adding to 20201122 its reverse (22110202), we get a palindrome (42311324).

The spelling of 20201122 in words is "twenty million, two hundred one thousand, one hundred twenty-two".