20244969 has 6 divisors (see below), whose sum is σ = 29242746. Its totient is φ = 13496640.

The previous prime is 20244949. The next prime is 20244989. The reversal of 20244969 is 96944202.

20244969 is a `hidden beast` number, since 202 + 449 + 6 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (20244949) and next prime (20244989).

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 7371225 = 3588^2 + 2715^2 .

It is not a de Polignac number, because 20244969 - 2⁸ = 20244713 is a prime.

It is a super-2 number, since 2×20244969² = 819717539621922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20244949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124712 + ... + 1124729.

It is an arithmetic number, because the mean of its divisors is an integer number (4873791).

Almost surely, 2^20244969 is an apocalyptic number.

It is an amenable number.

20244969 is a deficient number, since it is larger than the sum of its proper divisors (8997777).

20244969 is a wasteful number, since it uses less digits than its factorization.

20244969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249447 (or 2249444 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 20244969 is about 4499.4409652756. The cubic root of 20244969 is about 272.5455143794.

The spelling of 20244969 in words is "twenty million, two hundred forty-four thousand, nine hundred sixty-nine".