20120022197 has 16 divisors (see below), whose sum is σ = 22096979520. Its totient is φ = 18167846400.

The previous prime is 20120022187. The next prime is 20120022227. The reversal of 20120022197 is 79122002102.

It is not a de Polignac number, because 20120022197 - 2¹⁴ = 20120005813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120022187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5680247 + ... + 5683787.

It is an arithmetic number, because the mean of its divisors is an integer number (1381061220).

Almost surely, 2^20120022197 is an apocalyptic number.

It is an amenable number.

20120022197 is a deficient number, since it is larger than the sum of its proper divisors (1976957323).

20120022197 is a wasteful number, since it uses less digits than its factorization.

20120022197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 20120022197 its reverse (79122002102), we get a palindrome (99242024299).

The spelling of 20120022197 in words is "twenty billion, one hundred twenty million, twenty-two thousand, one hundred ninety-seven".