20514150516 has 12 divisors (see below), whose sum is σ = 47866351232. Its totient is φ = 6838050168.

The previous prime is 20514150511. The next prime is 20514150523. The reversal of 20514150516 is 61505141502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514150511) 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 3 ways as a sum of consecutive naturals, for example, 854756260 + ... + 854756283.

Almost surely, 2^20514150516 is an apocalyptic number.

It is an amenable number.

20514150516 is an abundant number, since it is smaller than the sum of its proper divisors (27352200716).

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

20514150516 is a wasteful number, since it uses less digits than its factorization.

20514150516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709512550 (or 1709512548 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 20514150516 in words is "twenty billion, five hundred fourteen million, one hundred fifty thousand, five hundred sixteen".