10320021030 has 96 divisors (see below), whose sum is σ = 27888797664. Its totient is φ = 2440768000.

The previous prime is 10320021029. The next prime is 10320021059. The reversal of 10320021030 is 3012002301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10320020997 and 10320021015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114160 + ... + 183500.

It is an arithmetic number, because the mean of its divisors is an integer number (290508309).

Almost surely, 2^10320021030 is an apocalyptic number.

10320021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10320021030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13944398832).

10320021030 is an abundant number, since it is smaller than the sum of its proper divisors (17568776634).

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

10320021030 is a wasteful number, since it uses less digits than its factorization.

10320021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69414 (or 69403 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10320021030 its reverse (3012002301), we get a palindrome (13332023331).

The spelling of 10320021030 in words is "ten billion, three hundred twenty million, twenty-one thousand, thirty".