20102124223 has 8 divisors (see below), whose sum is σ = 21463947648. Its totient is φ = 18780952344.

The previous prime is 20102124221. The next prime is 20102124227. The reversal of 20102124223 is 32242120102.

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

It is a cyclic number.

It is not a de Polignac number, because 20102124223 - 2¹ = 20102124221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20102124223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102124221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10161865 + ... + 10163842.

It is an arithmetic number, because the mean of its divisors is an integer number (2682993456).

Almost surely, 2^20102124223 is an apocalyptic number.

20102124223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20102124223 is a deficient number, since it is larger than the sum of its proper divisors (1361823425).

20102124223 is a wasteful number, since it uses less digits than its factorization.

20102124223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20325773.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20102124223 its reverse (32242120102), we get a palindrome (52344244325).

The spelling of 20102124223 in words is "twenty billion, one hundred two million, one hundred twenty-four thousand, two hundred twenty-three".