20441212 has 24 divisors (see below), whose sum is σ = 39139632. Its totient is φ = 9264000.

The previous prime is 20441203. The next prime is 20441233. The reversal of 20441212 is 21214402.

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, 26058 + ... + 26830.

It is an arithmetic number, because the mean of its divisors is an integer number (1630818).

Almost surely, 2^20441212 is an apocalyptic number.

20441212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20441212 is a deficient number, since it is larger than the sum of its proper divisors (18698420).

20441212 is a wasteful number, since it uses less digits than its factorization.

20441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20441212 is about 4521.1958595044. The cubic root of 20441212 is about 273.4233169264.

Adding to 20441212 its reverse (21214402), we get a palindrome (41655614).

The spelling of 20441212 in words is "twenty million, four hundred forty-one thousand, two hundred twelve".