10321023020 has 96 divisors (see below), whose sum is σ = 27052945920. Its totient is φ = 3213296640.

The previous prime is 10321022993. The next prime is 10321023043. The reversal of 10321023020 is 2032012301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10321022986 and 10321023004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1565972 + ... + 1572548.

It is an arithmetic number, because the mean of its divisors is an integer number (281801520).

Almost surely, 2^10321023020 is an apocalyptic number.

10321023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10321023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13526472960).

10321023020 is an abundant number, since it is smaller than the sum of its proper divisors (16731922900).

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

10321023020 is a wasteful number, since it uses less digits than its factorization.

10321023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623 (or 7621 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10321023020 its reverse (2032012301), we get a palindrome (12353035321).

The spelling of 10321023020 in words is "ten billion, three hundred twenty-one million, twenty-three thousand, twenty".