20223201340 has 24 divisors (see below), whose sum is σ = 42607070352. Its totient is φ = 8062928640.

The previous prime is 20223201311. The next prime is 20223201353. The reversal of 20223201340 is 4310232202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640701 + ... + 1652980.

It is an arithmetic number, because the mean of its divisors is an integer number (1775294598).

Almost surely, 2^20223201340 is an apocalyptic number.

20223201340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223201340 is an abundant number, since it is smaller than the sum of its proper divisors (22383869012).

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

20223201340 is a wasteful number, since it uses less digits than its factorization.

20223201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293997 (or 3293995 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20223201340 its reverse (4310232202), we get a palindrome (24533433542).

The spelling of 20223201340 in words is "twenty billion, two hundred twenty-three million, two hundred one thousand, three hundred forty".