20401124230 has 16 divisors (see below), whose sum is σ = 36765089424. Its totient is φ = 8150879520.

The previous prime is 20401124213. The next prime is 20401124257. The reversal of 20401124230 is 3242110402.

It is a junction number, because it is equal to n+sod(n) for n = 20401124198 and 20401124207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187316 + ... + 1204375.

It is an arithmetic number, because the mean of its divisors is an integer number (2297818089).

Almost surely, 2^20401124230 is an apocalyptic number.

20401124230 is a deficient number, since it is larger than the sum of its proper divisors (16363965194).

20401124230 is a wasteful number, since it uses less digits than its factorization.

20401124230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392551.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20401124230 its reverse (3242110402), we get a palindrome (23643234632).

The spelling of 20401124230 in words is "twenty billion, four hundred one million, one hundred twenty-four thousand, two hundred thirty".