20424042230 has 32 divisors (see below), whose sum is σ = 37561345920. Its totient is φ = 7992415360.

The previous prime is 20424042187. The next prime is 20424042253. The reversal of 20424042230 is 3224042402.

It is a junction number, because it is equal to n+sod(n) for n = 20424042196 and 20424042205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303040 + ... + 1318620.

It is an arithmetic number, because the mean of its divisors is an integer number (1173792060).

Almost surely, 2^20424042230 is an apocalyptic number.

20424042230 is a deficient number, since it is larger than the sum of its proper divisors (17137303690).

20424042230 is a wasteful number, since it uses less digits than its factorization.

20424042230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18424.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20424042230 its reverse (3224042402), we get a palindrome (23648084632).

The spelling of 20424042230 in words is "twenty billion, four hundred twenty-four million, forty-two thousand, two hundred thirty".