201049056 has 72 divisors (see below), whose sum is σ = 615724200. Its totient is φ = 61860096.

The previous prime is 201048997. The next prime is 201049061. The reversal of 201049056 is 650940102.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×201049056² = 80841445836982272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 23106 + ... + 30593.

It is an arithmetic number, because the mean of its divisors is an integer number (8551725).

Almost surely, 2^201049056 is an apocalyptic number.

201049056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

201049056 is an abundant number, since it is smaller than the sum of its proper divisors (414675144).

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

201049056 is a wasteful number, since it uses less digits than its factorization.

201049056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53728 (or 53717 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 201049056 is about 14179.1768449371. The cubic root of 201049056 is about 585.8242512095.

Adding to 201049056 its reverse (650940102), we get a palindrome (851989158).

It can be divided in two parts, 20 and 1049056, that added together give a triangular number (1049076 = T₁₄₄₈).

The spelling of 201049056 in words is "two hundred one million, forty-nine thousand, fifty-six".