212320230020 has 12 divisors (see below), whose sum is σ = 445872483084. Its totient is φ = 84928092000.

The previous prime is 212320229999. The next prime is 212320230079. The reversal of 212320230020 is 20032023212.

It can be written as a sum of positive squares in 2 ways, for example, as 118683006016 + 93637224004 = 344504^2 + 306002^2 .

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, 5308005731 + ... + 5308005770.

It is an arithmetic number, because the mean of its divisors is an integer number (37156040257).

Almost surely, 2^212320230020 is an apocalyptic number.

212320230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212320230020 is an abundant number, since it is smaller than the sum of its proper divisors (233552253064).

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

212320230020 is a wasteful number, since it uses less digits than its factorization.

212320230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616011510 (or 10616011508 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 212320230020 its reverse (20032023212), we get a palindrome (232352253232).

The spelling of 212320230020 in words is "two hundred twelve billion, three hundred twenty million, two hundred thirty thousand, twenty".