20726464113 has 12 divisors (see below), whose sum is σ = 31047049488. Its totient is φ = 13817642580.

The previous prime is 20726464067. The next prime is 20726464117. The reversal of 20726464113 is 31146462702.

20726464113 is a `hidden beast` number, since 2 + 0 + 7 + 2 + 6 + 4 + 641 + 1 + 3 = 666.

It is not a de Polignac number, because 20726464113 - 2¹³ = 20726455921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20726464117) 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 11 ways as a sum of consecutive naturals, for example, 42646803 + ... + 42647288.

It is an arithmetic number, because the mean of its divisors is an integer number (2587254124).

Almost surely, 2^20726464113 is an apocalyptic number.

It is an amenable number.

20726464113 is a deficient number, since it is larger than the sum of its proper divisors (10320585375).

20726464113 is an frugal number, since it uses more digits than its factorization.

20726464113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85294106 (or 85294094 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 20726464113 in words is "twenty billion, seven hundred twenty-six million, four hundred sixty-four thousand, one hundred thirteen".