10021233220 has 24 divisors (see below), whose sum is σ = 21065284800. Its totient is φ = 4004551392.

The previous prime is 10021233179. The next prime is 10021233241. The reversal of 10021233220 is 2233212001.

It is a junction number, because it is equal to n+sod(n) for n = 10021233194 and 10021233203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225480 + ... + 266239.

It is an arithmetic number, because the mean of its divisors is an integer number (877720200).

Almost surely, 2^10021233220 is an apocalyptic number.

10021233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021233220 is an abundant number, since it is smaller than the sum of its proper divisors (11044051580).

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

10021233220 is a wasteful number, since it uses less digits than its factorization.

10021233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492747 (or 492745 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10021233220 its reverse (2233212001), we get a palindrome (12254445221).

The spelling of 10021233220 in words is "ten billion, twenty-one million, two hundred thirty-three thousand, two hundred twenty".