20122112230 has 64 divisors (see below), whose sum is σ = 39829128192. Its totient is φ = 7258688640.

The previous prime is 20122112207. The next prime is 20122112249. The reversal of 20122112230 is 3221122102.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 13905367 + ... + 13906813.

It is an arithmetic number, because the mean of its divisors is an integer number (622330128).

Almost surely, 2^20122112230 is an apocalyptic number.

20122112230 is a deficient number, since it is larger than the sum of its proper divisors (19707015962).

20122112230 is a wasteful number, since it uses less digits than its factorization.

20122112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20122112230 its reverse (3221122102), we get a palindrome (23343234332).

The spelling of 20122112230 in words is "twenty billion, one hundred twenty-two million, one hundred twelve thousand, two hundred thirty".