20023462726345 has 16 divisors (see below), whose sum is σ = 25890087100752. Its totient is φ = 14778778694400.

The previous prime is 20023462726327. The next prime is 20023462726349. The reversal of 20023462726345 is 54362726432002.

It can be written as a sum of positive squares in 8 ways, for example, as 12121455001744 + 7902007724601 = 3481588^2 + 2811051^2 .

It is not a de Polignac number, because 20023462726345 - 2¹⁷ = 20023462595273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20023462726295 and 20023462726304.

It is not an unprimeable number, because it can be changed into a prime (20023462726349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80900442 + ... + 81147571.

It is an arithmetic number, because the mean of its divisors is an integer number (1618130443797).

Almost surely, 2^{20023462726345} is an apocalyptic number.

It is an amenable number.

20023462726345 is a deficient number, since it is larger than the sum of its proper divisors (5866624374407).

20023462726345 is a wasteful number, since it uses less digits than its factorization.

20023462726345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162049932.

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 20023462726345 in words is "twenty trillion, twenty-three billion, four hundred sixty-two million, seven hundred twenty-six thousand, three hundred forty-five".