23212112020 has 24 divisors (see below), whose sum is σ = 48842365824. Its totient is φ = 9266381856.

The previous prime is 23212111999. The next prime is 23212112051. The reversal of 23212112020 is 2021121232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23212111985 and 23212112003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143624 + ... + 1163743.

It is an arithmetic number, because the mean of its divisors is an integer number (2035098576).

Almost surely, 2^23212112020 is an apocalyptic number.

23212112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212112020 is an abundant number, since it is smaller than the sum of its proper divisors (25630253804).

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

23212112020 is a wasteful number, since it uses less digits than its factorization.

23212112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307879 (or 2307877 counting only the distinct ones).

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

Adding to 23212112020 its reverse (2021121232), we get a palindrome (25233233252).

The spelling of 23212112020 in words is "twenty-three billion, two hundred twelve million, one hundred twelve thousand, twenty".