20120162224 has 20 divisors (see below), whose sum is σ = 39933615960. Its totient is φ = 9814712960.

The previous prime is 20120162149. The next prime is 20120162261. The reversal of 20120162224 is 42226102102.

It is a junction number, because it is equal to n+sod(n) for n = 20120162195 and 20120162204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15334834 + ... + 15336145.

It is an arithmetic number, because the mean of its divisors is an integer number (1996680798).

Almost surely, 2^20120162224 is an apocalyptic number.

It is an amenable number.

20120162224 is a deficient number, since it is larger than the sum of its proper divisors (19813453736).

20120162224 is a wasteful number, since it uses less digits than its factorization.

20120162224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30671028 (or 30671022 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20120162224 its reverse (42226102102), we get a palindrome (62346264326).

The spelling of 20120162224 in words is "twenty billion, one hundred twenty million, one hundred sixty-two thousand, two hundred twenty-four".