20412243230 has 16 divisors (see below), whose sum is σ = 38903334480. Its totient is φ = 7684609152.

The previous prime is 20412243227. The next prime is 20412243259. The reversal of 20412243230 is 3234221402.

It is a junction number, because it is equal to n+sod(n) for n = 20412243196 and 20412243205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60035840 + ... + 60036179.

It is an arithmetic number, because the mean of its divisors is an integer number (2431458405).

Almost surely, 2^20412243230 is an apocalyptic number.

20412243230 is a deficient number, since it is larger than the sum of its proper divisors (18491091250).

20412243230 is a wasteful number, since it uses less digits than its factorization.

20412243230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120072043.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20412243230 its reverse (3234221402), we get a palindrome (23646464632).

The spelling of 20412243230 in words is "twenty billion, four hundred twelve million, two hundred forty-three thousand, two hundred thirty".