20120022196 has 12 divisors (see below), whose sum is σ = 35211046948. Its totient is φ = 10059723072.

The previous prime is 20120022187. The next prime is 20120022227. The reversal of 20120022196 is 69122002102.

It can be written as a sum of positive squares in 2 ways, for example, as 8544414096 + 11575608100 = 92436^2 + 107590^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20120022196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196000 + ... + 280456.

Almost surely, 2^20120022196 is an apocalyptic number.

It is an amenable number.

20120022196 is a deficient number, since it is larger than the sum of its proper divisors (15091024752).

20120022196 is a wasteful number, since it uses less digits than its factorization.

20120022196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144018 (or 144016 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 20120022196 its reverse (69122002102), we get a palindrome (89242024298).

The spelling of 20120022196 in words is "twenty billion, one hundred twenty million, twenty-two thousand, one hundred ninety-six".