20401422411 has 8 divisors (see below), whose sum is σ = 27303019920. Its totient is φ = 13550386592.

The previous prime is 20401422409. The next prime is 20401422443. The reversal of 20401422411 is 11422410402.

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

It is a cyclic number.

It is not a de Polignac number, because 20401422411 - 2¹ = 20401422409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20401422401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12639480 + ... + 12641093.

It is an arithmetic number, because the mean of its divisors is an integer number (3412877490).

Almost surely, 2^20401422411 is an apocalyptic number.

20401422411 is a deficient number, since it is larger than the sum of its proper divisors (6901597509).

20401422411 is a wasteful number, since it uses less digits than its factorization.

20401422411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25280845.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20401422411 its reverse (11422410402), we get a palindrome (31823832813).

The spelling of 20401422411 in words is "twenty billion, four hundred one million, four hundred twenty-two thousand, four hundred eleven".