10321320210 has 32 divisors (see below), whose sum is σ = 25049502720. Its totient is φ = 2721426048.

The previous prime is 10321320209. The next prime is 10321320263. The reversal of 10321320210 is 1202312301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10321320210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930162 + ... + 1935501.

It is an arithmetic number, because the mean of its divisors is an integer number (782796960).

Almost surely, 2^10321320210 is an apocalyptic number.

10321320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10321320210 is an abundant number, since it is smaller than the sum of its proper divisors (14728182510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10321320210 is a wasteful number, since it uses less digits than its factorization.

10321320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865762.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10321320210 its reverse (1202312301), we get a palindrome (11523632511).

The spelling of 10321320210 in words is "ten billion, three hundred twenty-one million, three hundred twenty thousand, two hundred ten".