26720708020 has 24 divisors (see below), whose sum is σ = 56126083104. Its totient is φ = 10685883936.

The previous prime is 26720707997. The next prime is 26720708117. The reversal of 26720708020 is 2080702762.

It is a congruent number.

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, 57234 + ... + 238153.

It is an arithmetic number, because the mean of its divisors is an integer number (2338586796).

Almost surely, 2^26720708020 is an apocalyptic number.

26720708020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26720708020 is an abundant number, since it is smaller than the sum of its proper divisors (29405375084).

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

26720708020 is a wasteful number, since it uses less digits than its factorization.

26720708020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299919 (or 299917 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 26720708020 in words is "twenty-six billion, seven hundred twenty million, seven hundred eight thousand, twenty".