20514411216 has 100 divisors (see below), whose sum is σ = 63941991652. Its totient is φ = 6312121344.

The previous prime is 20514411193. The next prime is 20514411301. The reversal of 20514411216 is 61211441502.

20514411216 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 441 + 1 + 216 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2143319616 + 18371091600 = 46296^2 + 135540^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20514411216.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 591961 + ... + 625656.

Almost surely, 2^20514411216 is an apocalyptic number.

20514411216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20514411216 is an abundant number, since it is smaller than the sum of its proper divisors (43427580436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20514411216 is a wasteful number, since it uses less digits than its factorization.

20514411216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217650 (or 1217635 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 20514411216 its reverse (61211441502), we get a palindrome (81725852718).

The spelling of 20514411216 in words is "twenty billion, five hundred fourteen million, four hundred eleven thousand, two hundred sixteen".