20223410221421 has 16 divisors (see below), whose sum is σ = 22662778181760. Its totient is φ = 17884390409280.

The previous prime is 20223410221319. The next prime is 20223410221571. The reversal of 20223410221421 is 12412201432202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20223410221421 - 2²² = 20223406027117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223410221921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3048686 + ... + 7052751.

It is an arithmetic number, because the mean of its divisors is an integer number (1416423636360).

Almost surely, 2^{20223410221421} is an apocalyptic number.

It is an amenable number.

20223410221421 is a deficient number, since it is larger than the sum of its proper divisors (2439367960339).

20223410221421 is a wasteful number, since it uses less digits than its factorization.

20223410221421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106404.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20223410221421 its reverse (12412201432202), we get a palindrome (32635611653623).

The spelling of 20223410221421 in words is "twenty trillion, two hundred twenty-three billion, four hundred ten million, two hundred twenty-one thousand, four hundred twenty-one".