20401133422 has 8 divisors (see below), whose sum is σ = 30607200072. Its totient is φ = 10198733400.

The previous prime is 20401133381. The next prime is 20401133429. The reversal of 20401133422 is 22433110402.

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 = 20401133393 and 20401133402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401133429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902704 + ... + 925027.

It is an arithmetic number, because the mean of its divisors is an integer number (3825900009).

Almost surely, 2^20401133422 is an apocalyptic number.

20401133422 is a deficient number, since it is larger than the sum of its proper divisors (10206066650).

20401133422 is a wasteful number, since it uses less digits than its factorization.

20401133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833314.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20401133422 its reverse (22433110402), we get a palindrome (42834243824).

The spelling of 20401133422 in words is "twenty billion, four hundred one million, one hundred thirty-three thousand, four hundred twenty-two".