10321142320 has 40 divisors (see below), whose sum is σ = 24149530224. Its totient is φ = 4102156032.

The previous prime is 10321142317. The next prime is 10321142329. The reversal of 10321142320 is 2324112301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (10321142329) 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, 398314 + ... + 423433.

Almost surely, 2^10321142320 is an apocalyptic number.

10321142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321142320 is an abundant number, since it is smaller than the sum of its proper divisors (13828387904).

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

10321142320 is a wasteful number, since it uses less digits than its factorization.

10321142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821917 (or 821911 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10321142320 its reverse (2324112301), we get a palindrome (12645254621).

The spelling of 10321142320 in words is "ten billion, three hundred twenty-one million, one hundred forty-two thousand, three hundred twenty".