10202002321 has 16 divisors (see below), whose sum is σ = 11916486400. Its totient is φ = 8730529920.

The previous prime is 10202002189. The next prime is 10202002331. The reversal of 10202002321 is 12320020201.

It is not a de Polignac number, because 10202002321 - 2¹⁷ = 10201871249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10202002331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192865 + ... + 240001.

It is an arithmetic number, because the mean of its divisors is an integer number (744780400).

Almost surely, 2^10202002321 is an apocalyptic number.

It is an amenable number.

10202002321 is a deficient number, since it is larger than the sum of its proper divisors (1714484079).

10202002321 is an frugal number, since it uses more digits than its factorization.

10202002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47789 (or 47775 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10202002321 its reverse (12320020201), we get a palindrome (22522022522).

The spelling of 10202002321 in words is "ten billion, two hundred two million, two thousand, three hundred twenty-one".