20404222022 has 8 divisors (see below), whose sum is σ = 30672438816. Its totient is φ = 10180075752.

The previous prime is 20404221997. The next prime is 20404222031. The reversal of 20404222022 is 22022240402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20404221985 and 20404222003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11016473 + ... + 11018324.

It is an arithmetic number, because the mean of its divisors is an integer number (3834054852).

Almost surely, 2^20404222022 is an apocalyptic number.

20404222022 is a deficient number, since it is larger than the sum of its proper divisors (10268216794).

20404222022 is a wasteful number, since it uses less digits than its factorization.

20404222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22035262.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20404222022 its reverse (22022240402), we get a palindrome (42426462424).

The spelling of 20404222022 in words is "twenty billion, four hundred four million, two hundred twenty-two thousand, twenty-two".