20001120292 has 6 divisors (see below), whose sum is σ = 35001960518. Its totient is φ = 10000560144.

The previous prime is 20001120289. The next prime is 20001120329. The reversal of 20001120292 is 29202110002.

It can be written as a sum of positive squares in only one way, i.e., 19352704996 + 648415296 = 139114^2 + 25464^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500140033 + ... + 2500140040.

Almost surely, 2^20001120292 is an apocalyptic number.

It is an amenable number.

20001120292 is a deficient number, since it is larger than the sum of its proper divisors (15000840226).

20001120292 is a wasteful number, since it uses less digits than its factorization.

20001120292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000280077 (or 5000280075 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20001120292 its reverse (29202110002), we get a palindrome (49203230294).

The spelling of 20001120292 in words is "twenty billion, one million, one hundred twenty thousand, two hundred ninety-two".