20401403222 has 16 divisors (see below), whose sum is σ = 30672864000. Its totient is φ = 10177133760.

The previous prime is 20401403219. The next prime is 20401403251. The reversal of 20401403222 is 22230410402.

It is a junction number, because it is equal to n+sod(n) for n = 20401403194 and 20401403203.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4248779 + ... + 4253577.

It is an arithmetic number, because the mean of its divisors is an integer number (1917054000).

Almost surely, 2^20401403222 is an apocalyptic number.

20401403222 is a deficient number, since it is larger than the sum of its proper divisors (10271460778).

20401403222 is a wasteful number, since it uses less digits than its factorization.

20401403222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20401403222 its reverse (22230410402), we get a palindrome (42631813624).

The spelling of 20401403222 in words is "twenty billion, four hundred one million, four hundred three thousand, two hundred twenty-two".