201556032 has 112 divisors (see below), whose sum is σ = 562904640. Its totient is φ = 63551488.

The previous prime is 201556027. The next prime is 201556039. The reversal of 201556032 is 230655102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 201555993 and 201556011.

It is not an unprimeable number, because it can be changed into a prime (201556039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294763 + ... + 295445.

Almost surely, 2^201556032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201556032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281452320).

201556032 is an abundant number, since it is smaller than the sum of its proper divisors (361348608).

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

201556032 is a wasteful number, since it uses less digits than its factorization.

201556032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 201556032 is about 14197.0430724148. The cubic root of 201556032 is about 586.3162530919.

The spelling of 201556032 in words is "two hundred one million, five hundred fifty-six thousand, thirty-two".