201533772 has 48 divisors (see below), whose sum is σ = 522692352. Its totient is φ = 59916480.

The previous prime is 201533753. The next prime is 201533803. The reversal of 201533772 is 277335102.

201533772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201533772² = 81231722513095968, which contains 22 as substring.

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, 7408 + ... + 21399.

It is an arithmetic number, because the mean of its divisors is an integer number (10889424).

Almost surely, 2^201533772 is an apocalyptic number.

201533772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201533772 is an abundant number, since it is smaller than the sum of its proper divisors (321158580).

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

201533772 is a wasteful number, since it uses less digits than its factorization.

201533772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28878 (or 28876 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 201533772 is about 14196.2590847026. The cubic root of 201533772 is about 586.2946678943.

Adding to 201533772 its reverse (277335102), we get a palindrome (478868874).

The spelling of 201533772 in words is "two hundred one million, five hundred thirty-three thousand, seven hundred seventy-two".