201630571120 has 80 divisors (see below), whose sum is σ = 511561088352. Its totient is φ = 73298324480.

The previous prime is 201630571117. The next prime is 201630571141. The reversal of 201630571120 is 21175036102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3076614 + ... + 3141466.

Almost surely, 2^201630571120 is an apocalyptic number.

201630571120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201630571120 is an abundant number, since it is smaller than the sum of its proper divisors (309930517232).

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

201630571120 is a wasteful number, since it uses less digits than its factorization.

201630571120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68410 (or 68404 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 201630571120 in words is "two hundred one billion, six hundred thirty million, five hundred seventy-one thousand, one hundred twenty".