20242683660969 has 81 divisors (see below), whose sum is σ = 37388347958871. Its totient is φ = 10515139921440.

The previous prime is 20242683660961. The next prime is 20242683660989. The reversal of 20242683660969 is 96906638624202.

The square root of 20242683660969 is 4499187.

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

20242683660969 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 268 + 366 + 0 + 9 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14413298355225 + 5829385305744 = 3796485^2 + 2414412^2 .

It is not a de Polignac number, because 20242683660969 - 2³ = 20242683660961 is a prime.

It is a super-2 number, since 2×20242683660969² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (20242683660961) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1039302459 + ... + 1039321935.

Almost surely, 2^{20242683660969} is an apocalyptic number.

20242683660969 is the 4499187-th square number.

20242683660969 is the 2249594-th centered octagonal number.

It is an amenable number.

20242683660969 is a deficient number, since it is larger than the sum of its proper divisors (17145664297902).

20242683660969 is an frugal number, since it uses more digits than its factorization.

20242683660969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38996 (or 19498 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 20242683660969 in words is "twenty trillion, two hundred forty-two billion, six hundred eighty-three million, six hundred sixty thousand, nine hundred sixty-nine".