20123302230 has 80 divisors (see below), whose sum is σ = 56957226480. Its totient is φ = 5083777728.

The previous prime is 20123302207. The next prime is 20123302253. The reversal of 20123302230 is 3220332102.

It is a happy number.

20123302230 is a `hidden beast` number, since 201 + 233 + 0 + 2 + 230 = 666.

It is an interprime number because it is at equal distance from previous prime (20123302207) and next prime (20123302253).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 638389 + ... + 669168.

It is an arithmetic number, because the mean of its divisors is an integer number (711965331).

Almost surely, 2^20123302230 is an apocalyptic number.

20123302230 is an abundant number, since it is smaller than the sum of its proper divisors (36833924250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20123302230 is a wasteful number, since it uses less digits than its factorization.

20123302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307595 (or 1307586 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20123302230 its reverse (3220332102), we get a palindrome (23343634332).

The spelling of 20123302230 in words is "twenty billion, one hundred twenty-three million, three hundred two thousand, two hundred thirty".