201271473180 has 72 divisors (see below), whose sum is σ = 613261364352. Its totient is φ = 53431698816.

The previous prime is 201271473133. The next prime is 201271473197. The reversal of 201271473180 is 81374172102.

201271473180 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 7 + 1 + 473 + 180 = 666.

201271473180 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2466979 + ... + 2547258.

Almost surely, 2^201271473180 is an apocalyptic number.

201271473180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201271473180 is an abundant number, since it is smaller than the sum of its proper divisors (411989891172).

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

201271473180 is a wasteful number, since it uses less digits than its factorization.

201271473180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014475 (or 5014470 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 201271473180 in words is "two hundred one billion, two hundred seventy-one million, four hundred seventy-three thousand, one hundred eighty".