20174064451 has 16 divisors (see below), whose sum is σ = 21182008320. Its totient is φ = 19177361280.

The previous prime is 20174064439. The next prime is 20174064467. The reversal of 20174064451 is 15446047102.

It is a cyclic number.

It is not a de Polignac number, because 20174064451 - 2⁵ = 20174064419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20174064481) 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 15 ways as a sum of consecutive naturals, for example, 2895510 + ... + 2902468.

It is an arithmetic number, because the mean of its divisors is an integer number (1323875520).

Almost surely, 2^20174064451 is an apocalyptic number.

20174064451 is a deficient number, since it is larger than the sum of its proper divisors (1007943869).

20174064451 is a wasteful number, since it uses less digits than its factorization.

20174064451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7746.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 20174064451 in words is "twenty billion, one hundred seventy-four million, sixty-four thousand, four hundred fifty-one".