10321003020 has 24 divisors (see below), whose sum is σ = 28898808624. Its totient is φ = 2752267456.

The previous prime is 10321003013. The next prime is 10321003037. The reversal of 10321003020 is 2030012301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10321002987 and 10321003005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86008299 + ... + 86008418.

It is an arithmetic number, because the mean of its divisors is an integer number (1204117026).

Almost surely, 2^10321003020 is an apocalyptic number.

10321003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321003020 is an abundant number, since it is smaller than the sum of its proper divisors (18577805604).

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

10321003020 is a wasteful number, since it uses less digits than its factorization.

10321003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172016729 (or 172016727 counting only the distinct ones).

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

Adding to 10321003020 its reverse (2030012301), we get a palindrome (12351015321).

The spelling of 10321003020 in words is "ten billion, three hundred twenty-one million, three thousand, twenty".