20223001340 has 24 divisors (see below), whose sum is σ = 42474251232. Its totient is φ = 8088067520.

The previous prime is 20223001333. The next prime is 20223001343. The reversal of 20223001340 is 4310032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223001343) 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, 83777 + ... + 217863.

It is an arithmetic number, because the mean of its divisors is an integer number (1769760468).

Almost surely, 2^20223001340 is an apocalyptic number.

20223001340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223001340 is an abundant number, since it is smaller than the sum of its proper divisors (22251249892).

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

20223001340 is a wasteful number, since it uses less digits than its factorization.

20223001340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141637 (or 141635 counting only the distinct ones).

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

Adding to 20223001340 its reverse (4310032202), we get a palindrome (24533033542).

The spelling of 20223001340 in words is "twenty billion, two hundred twenty-three million, one thousand, three hundred forty".