20003030122 has 4 divisors (see below), whose sum is σ = 30004545186. Its totient is φ = 10001515060.

The previous prime is 20003030119. The next prime is 20003030137. The reversal of 20003030122 is 22103030002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11006317921 + 8996712201 = 104911^2 + 94851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000757529 + ... + 5000757532.

Almost surely, 2^20003030122 is an apocalyptic number.

20003030122 is a deficient number, since it is larger than the sum of its proper divisors (10001515064).

20003030122 is a wasteful number, since it uses less digits than its factorization.

20003030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001515063.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20003030122 its reverse (22103030002), we get a palindrome (42106060124).

The spelling of 20003030122 in words is "twenty billion, three million, thirty thousand, one hundred twenty-two".