201015004 has 24 divisors (see below), whose sum is σ = 373721040. Its totient is φ = 94277376.

The previous prime is 201014999. The next prime is 201015019. The reversal of 201015004 is 400510102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16062 + ... + 25690.

It is an arithmetic number, because the mean of its divisors is an integer number (15571710).

Almost surely, 2^201015004 is an apocalyptic number.

It is an amenable number.

201015004 is a deficient number, since it is larger than the sum of its proper divisors (172706036).

201015004 is a wasteful number, since it uses less digits than its factorization.

201015004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957 (or 9955 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 201015004 is about 14177.9760191644. The cubic root of 201015004 is about 585.7911753454.

Adding to 201015004 its reverse (400510102), we get a palindrome (601525106).

The spelling of 201015004 in words is "two hundred one million, fifteen thousand, four".