20061441 has 9 divisors (see below), whose sum is σ = 28997059. Its totient is φ = 13365336.

The previous prime is 20061439. The next prime is 20061449. The reversal of 20061441 is 14416002.

The square root of 20061441 is 4479.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17514225 + 2547216 = 4185^2 + 1596^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 20061441 - 2¹ = 20061439 is a prime.

It is a super-2 number, since 2×20061441² = 804922829992962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20061449) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12691 + ... + 14183.

Almost surely, 2^20061441 is an apocalyptic number.

20061441 is the 4479-th square number.

20061441 is the 2240-th centered octagonal number.

It is an amenable number.

20061441 is a deficient number, since it is larger than the sum of its proper divisors (8935618).

20061441 is an frugal number, since it uses more digits than its factorization.

20061441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The cubic root of 20061441 is about 271.7194383957.

Adding to 20061441 its reverse (14416002), we get a palindrome (34477443).

It can be divided in two parts, 20061 and 441, that added together give a palindrome (20502).

The spelling of 20061441 in words is "twenty million, sixty-one thousand, four hundred forty-one".