20401422234230 has 32 divisors (see below), whose sum is σ = 38858900041728. Its totient is φ = 7695821240800.

The previous prime is 20401422234197. The next prime is 20401422234233. The reversal of 20401422234230 is 3243222410402.

It is a junction number, because it is equal to n+sod(n) for n = 20401422234193 and 20401422234202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401422234233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624644486 + ... + 624677145.

It is an arithmetic number, because the mean of its divisors is an integer number (1214340626304).

Almost surely, 2^{20401422234230} is an apocalyptic number.

20401422234230 is a deficient number, since it is larger than the sum of its proper divisors (18457477807498).

20401422234230 is a wasteful number, since it uses less digits than its factorization.

20401422234230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249321732.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20401422234230 its reverse (3243222410402), we get a palindrome (23644644644632).

The spelling of 20401422234230 in words is "twenty trillion, four hundred one billion, four hundred twenty-two million, two hundred thirty-four thousand, two hundred thirty".