20002577671273 has 4 divisors (see below), whose sum is σ = 20035970956800. Its totient is φ = 19969184385748.

The previous prime is 20002577671249. The next prime is 20002577671301. The reversal of 20002577671273 is 37217677520002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002577671273 is a prime.

It is a super-2 number, since 2×20002577671273² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002577671243) 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 3 ways as a sum of consecutive naturals, for example, 16696641865 + ... + 16696643062.

It is an arithmetic number, because the mean of its divisors is an integer number (5008992739200).

Almost surely, 2^{20002577671273} is an apocalyptic number.

It is an amenable number.

20002577671273 is a deficient number, since it is larger than the sum of its proper divisors (33393285527).

20002577671273 is an equidigital number, since it uses as much as digits as its factorization.

20002577671273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33393285526.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 20002577671273 in words is "twenty trillion, two billion, five hundred seventy-seven million, six hundred seventy-one thousand, two hundred seventy-three".