20022122132 has 12 divisors (see below), whose sum is σ = 35985706260. Its totient is φ = 9740491776.

The previous prime is 20022122093. The next prime is 20022122167. The reversal of 20022122132 is 23122122002.

It can be written as a sum of positive squares in 2 ways, for example, as 17246518276 + 2775603856 = 131326^2 + 52684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20022122132.

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, 67642157 + ... + 67642452.

It is an arithmetic number, because the mean of its divisors is an integer number (2998808855).

Almost surely, 2^20022122132 is an apocalyptic number.

It is an amenable number.

20022122132 is a deficient number, since it is larger than the sum of its proper divisors (15963584128).

20022122132 is a wasteful number, since it uses less digits than its factorization.

20022122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135284650 (or 135284648 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20022122132 its reverse (23122122002), we get a palindrome (43144244134).

The spelling of 20022122132 in words is "twenty billion, twenty-two million, one hundred twenty-two thousand, one hundred thirty-two".