20022122012 has 96 divisors (see below), whose sum is σ = 38210199552. Its totient is φ = 9156381696.

The previous prime is 20022121981. The next prime is 20022122017. The reversal of 20022122012 is 21022122002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022122017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43244093 + ... + 43244555.

It is an arithmetic number, because the mean of its divisors is an integer number (398022912).

Almost surely, 2^20022122012 is an apocalyptic number.

It is an amenable number.

20022122012 is a deficient number, since it is larger than the sum of its proper divisors (18188077540).

20022122012 is a wasteful number, since it uses less digits than its factorization.

20022122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20022122012 its reverse (21022122002), we get a palindrome (41044244014).

The spelling of 20022122012 in words is "twenty billion, twenty-two million, one hundred twenty-two thousand, twelve".