10023820 has 12 divisors (see below), whose sum is σ = 21050064. Its totient is φ = 4009520.

The previous prime is 10023817. The next prime is 10023847. The reversal of 10023820 is 2832001.

It is a happy number.

10023820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10023794 and 10023803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250576 + ... + 250615.

It is an arithmetic number, because the mean of its divisors is an integer number (1754172).

Almost surely, 2^10023820 is an apocalyptic number.

10023820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023820 is an abundant number, since it is smaller than the sum of its proper divisors (11026244).

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

10023820 is a wasteful number, since it uses less digits than its factorization.

10023820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501200 (or 501198 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10023820 is about 3166.0416927135. The cubic root of 10023820 is about 215.6143954737.

Adding to 10023820 its reverse (2832001), we get a palindrome (12855821).

The spelling of 10023820 in words is "ten million, twenty-three thousand, eight hundred twenty".