20146764272005 has 8 divisors (see below), whose sum is σ = 27629848144512. Its totient is φ = 13814924072208.

The previous prime is 20146764271973. The next prime is 20146764272017. The reversal of 20146764272005 is 50027246764102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20146764272005 - 2⁵ = 20146764271973 is a prime.

It is a super-2 number, since 2×20146764272005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 287810918137 + ... + 287810918206.

It is an arithmetic number, because the mean of its divisors is an integer number (3453731018064).

Almost surely, 2^{20146764272005} is an apocalyptic number.

It is an amenable number.

20146764272005 is a deficient number, since it is larger than the sum of its proper divisors (7483083872507).

20146764272005 is an equidigital number, since it uses as much as digits as its factorization.

20146764272005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575621836355.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 20146764272005 in words is "twenty trillion, one hundred forty-six billion, seven hundred sixty-four million, two hundred seventy-two thousand, five".