20120124422 has 32 divisors (see below), whose sum is σ = 31734944640. Its totient is φ = 9557926720.

The previous prime is 20120124389. The next prime is 20120124443. The reversal of 20120124422 is 22442102102.

It is a junction number, because it is equal to n+sod(n) for n = 20120124394 and 20120124403.

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, 498233 + ... + 537099.

It is an arithmetic number, because the mean of its divisors is an integer number (991717020).

Almost surely, 2^20120124422 is an apocalyptic number.

20120124422 is a deficient number, since it is larger than the sum of its proper divisors (11614820218).

20120124422 is a wasteful number, since it uses less digits than its factorization.

20120124422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39076.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20120124422 its reverse (22442102102), we get a palindrome (42562226524).

The spelling of 20120124422 in words is "twenty billion, one hundred twenty million, one hundred twenty-four thousand, four hundred twenty-two".