20841265348 has 6 divisors (see below), whose sum is σ = 36472214366. Its totient is φ = 10420632672.

The previous prime is 20841265343. The next prime is 20841265349. The reversal of 20841265348 is 84356214802.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13665142404 + 7176122944 = 116898^2 + 84712^2 .

It is a super-2 number, since 2×20841265348² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20841265343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605158165 + ... + 2605158172.

Almost surely, 2^20841265348 is an apocalyptic number.

It is an amenable number.

20841265348 is a deficient number, since it is larger than the sum of its proper divisors (15630949018).

20841265348 is a wasteful number, since it uses less digits than its factorization.

20841265348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210316341 (or 5210316339 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 20841265348 in words is "twenty billion, eight hundred forty-one million, two hundred sixty-five thousand, three hundred forty-eight".