10720266726 has 32 divisors (see below), whose sum is σ = 23181838848. Its totient is φ = 3285396000.

The previous prime is 10720266703. The next prime is 10720266731. The reversal of 10720266726 is 62766202701.

It is a happy number.

It is a super-2 number, since 2×10720266726² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

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, 254206 + ... + 293361.

It is an arithmetic number, because the mean of its divisors is an integer number (724432464).

Almost surely, 2^10720266726 is an apocalyptic number.

10720266726 is an abundant number, since it is smaller than the sum of its proper divisors (12461572122).

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

10720266726 is a wasteful number, since it uses less digits than its factorization.

10720266726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547836.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 10720266726 in words is "ten billion, seven hundred twenty million, two hundred sixty-six thousand, seven hundred twenty-six".