20203122 has 16 divisors (see below), whose sum is σ = 40483872. Its totient is φ = 6721440.

The previous prime is 20203093. The next prime is 20203129. The reversal of 20203122 is 22130202.

It is a super-2 number, since 2×20203122² = 816332277093768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20203098 and 20203107.

It is not an unprimeable number, because it can be changed into a prime (20203129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478 + ... + 6374.

It is an arithmetic number, because the mean of its divisors is an integer number (2530242).

Almost surely, 2^20203122 is an apocalyptic number.

20203122 is an abundant number, since it is smaller than the sum of its proper divisors (20280750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20203122 is a wasteful number, since it uses less digits than its factorization.

20203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20203122 is about 4494.7883153715. The cubic root of 20203122 is about 272.3575980714.

Adding to 20203122 its reverse (22130202), we get a palindrome (42333324).

The spelling of 20203122 in words is "twenty million, two hundred three thousand, one hundred twenty-two".