201065004 has 144 divisors (see below), whose sum is σ = 623750400. Its totient is φ = 55411776.

The previous prime is 201064999. The next prime is 201065021. The reversal of 201065004 is 400560102.

It is a happy number.

201065004 is a `hidden beast` number, since 2 + 0 + 10 + 650 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196807 + ... + 197825.

It is an arithmetic number, because the mean of its divisors is an integer number (4331600).

Almost surely, 2^201065004 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 201065004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311875200).

201065004 is an abundant number, since it is smaller than the sum of its proper divisors (422685396).

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

201065004 is a wasteful number, since it uses less digits than its factorization.

201065004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201065004 is about 14179.7392077570. The cubic root of 201065004 is about 585.8397407593.

It can be divided in two parts, 20 and 1065004, that added together give a square (1065024 = 1032²).

The spelling of 201065004 in words is "two hundred one million, sixty-five thousand, four".