13220767754 has 8 divisors (see below), whose sum is σ = 19881105348. Its totient is φ = 6593732640.

The previous prime is 13220767741. The next prime is 13220767801. The reversal of 13220767754 is 45776702231.

It can be written as a sum of positive squares in 2 ways, for example, as 13214652025 + 6115729 = 114955^2 + 2473^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8324627 + ... + 8326214.

Almost surely, 2^13220767754 is an apocalyptic number.

13220767754 is a deficient number, since it is larger than the sum of its proper divisors (6660337594).

13220767754 is a wasteful number, since it uses less digits than its factorization.

13220767754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16651240.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 13220767754 in words is "thirteen billion, two hundred twenty million, seven hundred sixty-seven thousand, seven hundred fifty-four".