20413221222 has 8 divisors (see below), whose sum is σ = 40826442456. Its totient is φ = 6804407072.

The previous prime is 20413221209. The next prime is 20413221229. The reversal of 20413221222 is 22212231402.

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

20413221222 is an admirable number.

It is a super-2 number, since 2×20413221222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413221229) 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, 1701101763 + ... + 1701101774.

It is an arithmetic number, because the mean of its divisors is an integer number (5103305307).

Almost surely, 2^20413221222 is an apocalyptic number.

20413221222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20413221222 is a wasteful number, since it uses less digits than its factorization.

20413221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402203542.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20413221222 its reverse (22212231402), we get a palindrome (42625452624).

The spelling of 20413221222 in words is "twenty billion, four hundred thirteen million, two hundred twenty-one thousand, two hundred twenty-two".