260020040020 has 48 divisors (see below), whose sum is σ = 591939750528. Its totient is φ = 95371574400.

The previous prime is 260020039963. The next prime is 260020040029. The reversal of 260020040020 is 20040020062.

260020040020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×260020040020² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260020039976 and 260020040003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260020040029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3272254 + ... + 3350773.

It is an arithmetic number, because the mean of its divisors is an integer number (12332078136).

Almost surely, 2^260020040020 is an apocalyptic number.

260020040020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260020040020 is an abundant number, since it is smaller than the sum of its proper divisors (331919710508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260020040020 is a wasteful number, since it uses less digits than its factorization.

260020040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623200 (or 6623198 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 260020040020 its reverse (20040020062), we get a palindrome (280060060082).

The spelling of 260020040020 in words is "two hundred sixty billion, twenty million, forty thousand, twenty".