20150304201 has 16 divisors (see below), whose sum is σ = 29916244800. Its totient is φ = 13404762144.

The previous prime is 20150304197. The next prime is 20150304217. The reversal of 20150304201 is 10240305102.

It is not a de Polignac number, because 20150304201 - 2² = 20150304197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20150306201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 786436 + ... + 811653.

It is an arithmetic number, because the mean of its divisors is an integer number (1869765300).

Almost surely, 2^20150304201 is an apocalyptic number.

It is an amenable number.

20150304201 is a deficient number, since it is larger than the sum of its proper divisors (9765940599).

20150304201 is a wasteful number, since it uses less digits than its factorization.

20150304201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598565 (or 1598559 counting only the distinct ones).

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

Adding to 20150304201 its reverse (10240305102), we get a palindrome (30390609303).

Subtracting from 20150304201 its reverse (10240305102), we obtain a palindrome (9909999099).

The spelling of 20150304201 in words is "twenty billion, one hundred fifty million, three hundred four thousand, two hundred one".