20140020223 has 4 divisors (see below), whose sum is σ = 20146342840. Its totient is φ = 20133697608.

The previous prime is 20140020221. The next prime is 20140020233. The reversal of 20140020223 is 32202004102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20140020223 - 2¹ = 20140020221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20140020197 and 20140020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3156528 + ... + 3162901.

It is an arithmetic number, because the mean of its divisors is an integer number (5036585710).

Almost surely, 2^20140020223 is an apocalyptic number.

20140020223 is a deficient number, since it is larger than the sum of its proper divisors (6322617).

20140020223 is an equidigital number, since it uses as much as digits as its factorization.

20140020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322616.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20140020223 its reverse (32202004102), we get a palindrome (52342024325).

The spelling of 20140020223 in words is "twenty billion, one hundred forty million, twenty thousand, two hundred twenty-three".