20672174005 has 16 divisors (see below), whose sum is σ = 28566831744. Its totient is φ = 14066994240.

The previous prime is 20672173987. The next prime is 20672174069. The reversal of 20672174005 is 50047127602.

It is not a de Polignac number, because 20672174005 - 2¹¹ = 20672171957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249742 + ... + 2258911.

It is an arithmetic number, because the mean of its divisors is an integer number (1785426984).

Almost surely, 2^20672174005 is an apocalyptic number.

It is an amenable number.

20672174005 is a deficient number, since it is larger than the sum of its proper divisors (7894657739).

20672174005 is a wasteful number, since it uses less digits than its factorization.

20672174005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508796.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 20672174005 in words is "twenty billion, six hundred seventy-two million, one hundred seventy-four thousand, five".