20122132 has 12 divisors (see below), whose sum is σ = 35409556. Its totient is φ = 10005120.

The previous prime is 20122093. The next prime is 20122133. The reversal of 20122132 is 23122102.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 19766916 = 596^2 + 4446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13173 + ... + 14620.

Almost surely, 2^20122132 is an apocalyptic number.

It is an amenable number.

20122132 is a deficient number, since it is larger than the sum of its proper divisors (15287424).

20122132 is a wasteful number, since it uses less digits than its factorization.

20122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27978 (or 27976 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20122132 is about 4485.7699450596. The cubic root of 20122132 is about 271.9931695228.

Adding to 20122132 its reverse (23122102), we get a palindrome (43244234).

The spelling of 20122132 in words is "twenty million, one hundred twenty-two thousand, one hundred thirty-two".