26720868028120 has 64 divisors (see below), whose sum is σ = 72752615484480. Its totient is φ = 8622532202496.

The previous prime is 26720868028109. The next prime is 26720868028133. The reversal of 26720868028120 is 2182086802762.

It is a super-2 number, since 2×26720868028120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2806809109 + ... + 2806818628.

It is an arithmetic number, because the mean of its divisors is an integer number (1136759616945).

Almost surely, 2^{26720868028120} is an apocalyptic number.

26720868028120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26720868028120 is an abundant number, since it is smaller than the sum of its proper divisors (46031747456360).

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

26720868028120 is a wasteful number, since it uses less digits than its factorization.

26720868028120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613627772 (or 5613627768 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 26720868028120 in words is "twenty-six trillion, seven hundred twenty billion, eight hundred sixty-eight million, twenty-eight thousand, one hundred twenty".