20122421230 has 32 divisors (see below), whose sum is σ = 36755589024. Its totient is φ = 7930551936.

The previous prime is 20122421203. The next prime is 20122421237. The reversal of 20122421230 is 3212422102.

It is a junction number, because it is equal to n+sod(n) for n = 20122421198 and 20122421207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122421237) 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, 277092 + ... + 342088.

It is an arithmetic number, because the mean of its divisors is an integer number (1148612157).

Almost surely, 2^20122421230 is an apocalyptic number.

20122421230 is a deficient number, since it is larger than the sum of its proper divisors (16633167794).

20122421230 is a wasteful number, since it uses less digits than its factorization.

20122421230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65460.

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

Adding to 20122421230 its reverse (3212422102), we get a palindrome (23334843332).

It can be divided in two parts, 2012 and 2421230, that added together give a palindrome (2423242).

The spelling of 20122421230 in words is "twenty billion, one hundred twenty-two million, four hundred twenty-one thousand, two hundred thirty".