10321231020 has 48 divisors (see below), whose sum is σ = 29514336768. Its totient is φ = 2693767360.

The previous prime is 10321230949. The next prime is 10321231031. The reversal of 10321231020 is 2013212301.

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

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, 1827186 + ... + 1832825.

It is an arithmetic number, because the mean of its divisors is an integer number (614882016).

Almost surely, 2^10321231020 is an apocalyptic number.

10321231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321231020 is an abundant number, since it is smaller than the sum of its proper divisors (19193105748).

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

10321231020 is a wasteful number, since it uses less digits than its factorization.

10321231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660070 (or 3660068 counting only the distinct ones).

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

Adding to 10321231020 its reverse (2013212301), we get a palindrome (12334443321).

The spelling of 10321231020 in words is "ten billion, three hundred twenty-one million, two hundred thirty-one thousand, twenty".