26420046020 has 24 divisors (see below), whose sum is σ = 55724386200. Its totient is φ = 10521868032.

The previous prime is 26420046013. The next prime is 26420046061. The reversal of 26420046020 is 2064002462.

It can be written as a sum of positive squares in 4 ways, for example, as 9151983556 + 17268062464 = 95666^2 + 131408^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2879705 + ... + 2888864.

It is an arithmetic number, because the mean of its divisors is an integer number (2321849425).

Almost surely, 2^26420046020 is an apocalyptic number.

26420046020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26420046020 is an abundant number, since it is smaller than the sum of its proper divisors (29304340180).

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

26420046020 is a wasteful number, since it uses less digits than its factorization.

26420046020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768807 (or 5768805 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 26420046020 its reverse (2064002462), we get a palindrome (28484048482).

The spelling of 26420046020 in words is "twenty-six billion, four hundred twenty million, forty-six thousand, twenty".