20022132112 has 20 divisors (see below), whose sum is σ = 38797887436. Its totient is φ = 10009774080.

The previous prime is 20022132103. The next prime is 20022132133. The reversal of 20022132112 is 21123122002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6158482576 + 13863649536 = 78476^2 + 117744^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 53908 + ... + 207244.

Almost surely, 2^20022132112 is an apocalyptic number.

It is an amenable number.

20022132112 is a deficient number, since it is larger than the sum of its proper divisors (18775755324).

20022132112 is a wasteful number, since it uses less digits than its factorization.

20022132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161506 (or 161500 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20022132112 its reverse (21123122002), we get a palindrome (41145254114).

The spelling of 20022132112 in words is "twenty billion, twenty-two million, one hundred thirty-two thousand, one hundred twelve".