20416867755 has 8 divisors (see below), whose sum is σ = 32666988432. Its totient is φ = 10888996128.

The previous prime is 20416867741. The next prime is 20416867759. The reversal of 20416867755 is 55776861402.

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

It is not a de Polignac number, because 20416867755 - 2¹⁰ = 20416866731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20416867698 and 20416867707.

It is not an unprimeable number, because it can be changed into a prime (20416867759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680562244 + ... + 680562273.

It is an arithmetic number, because the mean of its divisors is an integer number (4083373554).

Almost surely, 2^20416867755 is an apocalyptic number.

20416867755 is a deficient number, since it is larger than the sum of its proper divisors (12250120677).

20416867755 is a wasteful number, since it uses less digits than its factorization.

20416867755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361124525.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 20416867755 in words is "twenty billion, four hundred sixteen million, eight hundred sixty-seven thousand, seven hundred fifty-five".