212023323020 has 24 divisors (see below), whose sum is σ = 445349064384. Its totient is φ = 84790265216.

The previous prime is 212023322989. The next prime is 212023323091. The reversal of 212023323020 is 20323320212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 212023322983 and 212023323001.

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, 1100132 + ... + 1278411.

It is an arithmetic number, because the mean of its divisors is an integer number (18556211016).

Almost surely, 2^212023323020 is an apocalyptic number.

212023323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212023323020 is an abundant number, since it is smaller than the sum of its proper divisors (233325741364).

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

212023323020 is a wasteful number, since it uses less digits than its factorization.

212023323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383009 (or 2383007 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 212023323020 its reverse (20323320212), we get a palindrome (232346643232).

The spelling of 212023323020 in words is "two hundred twelve billion, twenty-three million, three hundred twenty-three thousand, twenty".