20271964716 has 48 divisors (see below), whose sum is σ = 52569064800. Its totient is φ = 6755763456.

The previous prime is 20271964693. The next prime is 20271964717. The reversal of 20271964716 is 61746917202.

20271964716 is a `hidden beast` number, since 20 + 2 + 71 + 96 + 471 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (20271964717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508816 + ... + 547208.

It is an arithmetic number, because the mean of its divisors is an integer number (1095188850).

Almost surely, 2^20271964716 is an apocalyptic number.

It is an amenable number.

20271964716 is an abundant number, since it is smaller than the sum of its proper divisors (32297100084).

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

20271964716 is a wasteful number, since it uses less digits than its factorization.

20271964716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43295 (or 43287 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 20271964716 in words is "twenty billion, two hundred seventy-one million, nine hundred sixty-four thousand, seven hundred sixteen".