20120210223 has 8 divisors (see below), whose sum is σ = 26830014000. Its totient is φ = 13411939968.

The previous prime is 20120210219. The next prime is 20120210249. The reversal of 20120210223 is 32201202102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120210223 - 2² = 20120210219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120210203) by changing a digit.

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, 352408 + ... + 405501.

It is an arithmetic number, because the mean of its divisors is an integer number (3353751750).

Almost surely, 2^20120210223 is an apocalyptic number.

20120210223 is a deficient number, since it is larger than the sum of its proper divisors (6709803777).

20120210223 is an equidigital number, since it uses as much as digits as its factorization.

20120210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766761.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20120210223 its reverse (32201202102), we get a palindrome (52321412325).

The spelling of 20120210223 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, two hundred twenty-three".