20040133122 has 12 divisors (see below), whose sum is σ = 43420288470. Its totient is φ = 6680044368.

The previous prime is 20040133111. The next prime is 20040133147. The reversal of 20040133122 is 22133104002.

It can be written as a sum of positive squares in only one way, i.e., 11675018601 + 8365114521 = 108051^2 + 91461^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1113340729 = 20040133122 / (2 + 0 + 0 + 4 + 0 + 1 + 3 + 3 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20040133095 and 20040133104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556670347 + ... + 556670382.

Almost surely, 2^20040133122 is an apocalyptic number.

20040133122 is an abundant number, since it is smaller than the sum of its proper divisors (23380155348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20040133122 is a wasteful number, since it uses less digits than its factorization.

20040133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113340737 (or 1113340734 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20040133122 its reverse (22133104002), we get a palindrome (42173237124).

The spelling of 20040133122 in words is "twenty billion, forty million, one hundred thirty-three thousand, one hundred twenty-two".