20042232122 has 24 divisors (see below), whose sum is σ = 33242777568. Its totient is φ = 9055535720.

The previous prime is 20042232121. The next prime is 20042232173. The reversal of 20042232122 is 22123224002.

It is a junction number, because it is equal to n+sod(n) for n = 20042232094 and 20042232103.

It is not an unprimeable number, because it can be changed into a prime (20042232121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207548 + ... + 288375.

It is an arithmetic number, because the mean of its divisors is an integer number (1385115732).

Almost surely, 2^20042232122 is an apocalyptic number.

20042232122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20042232122 is a deficient number, since it is larger than the sum of its proper divisors (13200545446).

20042232122 is a wasteful number, since it uses less digits than its factorization.

20042232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496114 (or 496103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20042232122 its reverse (22123224002), we get a palindrome (42165456124).

The spelling of 20042232122 in words is "twenty billion, forty-two million, two hundred thirty-two thousand, one hundred twenty-two".