20023242122 has 32 divisors (see below), whose sum is σ = 33548500944. Its totient is φ = 8902656000.

The previous prime is 20023242103. The next prime is 20023242133. The reversal of 20023242122 is 22124232002.

It can be written as a sum of positive squares in 8 ways, for example, as 15675290401 + 4347951721 = 125201^2 + 65939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20023242094 and 20023242103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5879 + ... + 200202.

Almost surely, 2^20023242122 is an apocalyptic number.

20023242122 is a deficient number, since it is larger than the sum of its proper divisors (13525258822).

20023242122 is a wasteful number, since it uses less digits than its factorization.

20023242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206234.

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

Adding to 20023242122 its reverse (22124232002), we get a palindrome (42147474124).

The spelling of 20023242122 in words is "twenty billion, twenty-three million, two hundred forty-two thousand, one hundred twenty-two".