201180828 has 12 divisors (see below), whose sum is σ = 469421960. Its totient is φ = 67060272.

The previous prime is 201180823. The next prime is 201180829. The reversal of 201180828 is 828081102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201180795 and 201180804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201180823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8382523 + ... + 8382546.

Almost surely, 2^201180828 is an apocalyptic number.

It is an amenable number.

201180828 is an abundant number, since it is smaller than the sum of its proper divisors (268241132).

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

201180828 is a wasteful number, since it uses less digits than its factorization.

201180828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16765076 (or 16765074 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 201180828 is about 14183.8227569298. The cubic root of 201180828 is about 585.9522106500.

The spelling of 201180828 in words is "two hundred one million, one hundred eighty thousand, eight hundred twenty-eight".