201042006 has 64 divisors (see below), whose sum is σ = 457906176. Its totient is φ = 58291200.

The previous prime is 201041999. The next prime is 201042013. The reversal of 201042006 is 600240102.

It is an interprime number because it is at equal distance from previous prime (201041999) and next prime (201042013).

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 31 ways as a sum of consecutive naturals, for example, 197956 + ... + 198968.

It is an arithmetic number, because the mean of its divisors is an integer number (7154784).

Almost surely, 2^201042006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201042006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228953088).

201042006 is an abundant number, since it is smaller than the sum of its proper divisors (256864170).

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

201042006 is a wasteful number, since it uses less digits than its factorization.

201042006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201042006 is about 14178.9282387633. The cubic root of 201042006 is about 585.8174036116.

Adding to 201042006 its reverse (600240102), we get a palindrome (801282108).

The spelling of 201042006 in words is "two hundred one million, forty-two thousand, six".