20288129416 has 16 divisors (see below), whose sum is σ = 38849610240. Its totient is φ = 9928233360.

The previous prime is 20288129333. The next prime is 20288129417. The reversal of 20288129416 is 61492188202.

It is not an unprimeable number, because it can be changed into a prime (20288129417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26978520 + ... + 26979271.

It is an arithmetic number, because the mean of its divisors is an integer number (2428100640).

Almost surely, 2^20288129416 is an apocalyptic number.

It is an amenable number.

20288129416 is a deficient number, since it is larger than the sum of its proper divisors (18561480824).

20288129416 is a wasteful number, since it uses less digits than its factorization.

20288129416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53957844 (or 53957840 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 20288129416 in words is "twenty billion, two hundred eighty-eight million, one hundred twenty-nine thousand, four hundred sixteen".