20404424422 has 16 divisors (see below), whose sum is σ = 30654647712. Its totient is φ = 10186223040.

The previous prime is 20404424419. The next prime is 20404424431. The reversal of 20404424422 is 22442440402.

20404424422 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20404424422² (a number of 21 digits) contains 22 as substring.

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, 5630103 + ... + 5633725.

It is an arithmetic number, because the mean of its divisors is an integer number (1915915482).

Almost surely, 2^20404424422 is an apocalyptic number.

20404424422 is a deficient number, since it is larger than the sum of its proper divisors (10250223290).

20404424422 is a wasteful number, since it uses less digits than its factorization.

20404424422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20404424422 its reverse (22442440402), we get a palindrome (42846864824).

The spelling of 20404424422 in words is "twenty billion, four hundred four million, four hundred twenty-four thousand, four hundred twenty-two".