20723046126516 has 36 divisors (see below), whose sum is σ = 54323376062592. Its totient is φ = 6907682041848.

The previous prime is 20723046126511. The next prime is 20723046126521. The reversal of 20723046126516 is 61562164032702.

20723046126516 is a `hidden beast` number, since 2 + 0 + 7 + 2 + 3 + 0 + 4 + 6 + 126 + 516 = 666.

It is an interprime number because it is at equal distance from previous prime (20723046126511) and next prime (20723046126521).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20723046126511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10660002180 + ... + 10660004123.

Almost surely, 2^{20723046126516} is an apocalyptic number.

It is an amenable number.

20723046126516 is an abundant number, since it is smaller than the sum of its proper divisors (33600329936076).

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

20723046126516 is a wasteful number, since it uses less digits than its factorization.

20723046126516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21320006322 (or 21320006308 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 20723046126516 in words is "twenty trillion, seven hundred twenty-three billion, forty-six million, one hundred twenty-six thousand, five hundred sixteen".