15020020201 has 4 divisors (see below), whose sum is σ = 15810547600. Its totient is φ = 14229492804.

The previous prime is 15020020181. The next prime is 15020020207. The reversal of 15020020201 is 10202002051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15020020201 - 2¹⁹ = 15019495913 is a prime.

It is a super-3 number, since 3×15020020201³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15020020207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395263671 + ... + 395263708.

It is an arithmetic number, because the mean of its divisors is an integer number (3952636900).

Almost surely, 2^15020020201 is an apocalyptic number.

It is an amenable number.

15020020201 is a deficient number, since it is larger than the sum of its proper divisors (790527399).

15020020201 is an equidigital number, since it uses as much as digits as its factorization.

15020020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790527398.

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

Adding to 15020020201 its reverse (10202002051), we get a palindrome (25222022252).

The spelling of 15020020201 in words is "fifteen billion, twenty million, twenty thousand, two hundred one".