15220003201 has 8 divisors (see below), whose sum is σ = 16553058984. Its totient is φ = 13910131200.

The previous prime is 15220003171. The next prime is 15220003207. The reversal of 15220003201 is 10230002251.

It can be written as a sum of positive squares in 4 ways, for example, as 1432546801 + 13787456400 = 37849^2 + 117420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15220003201 - 2⁹ = 15220002689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15220003207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5794576 + ... + 5797201.

It is an arithmetic number, because the mean of its divisors is an integer number (2069132373).

Almost surely, 2^15220003201 is an apocalyptic number.

It is an amenable number.

15220003201 is a deficient number, since it is larger than the sum of its proper divisors (1333055783).

15220003201 is a wasteful number, since it uses less digits than its factorization.

15220003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11591891.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 15220003201 its reverse (10230002251), we get a palindrome (25450005452).

The spelling of 15220003201 in words is "fifteen billion, two hundred twenty million, three thousand, two hundred one".