20031122404 has 12 divisors (see below), whose sum is σ = 35061607728. Its totient is φ = 10013520200.

The previous prime is 20031122329. The next prime is 20031122413. The reversal of 20031122404 is 40422113002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488062 + ... + 527509.

It is an arithmetic number, because the mean of its divisors is an integer number (2921800644).

Almost surely, 2^20031122404 is an apocalyptic number.

It is an amenable number.

20031122404 is a deficient number, since it is larger than the sum of its proper divisors (15030485324).

20031122404 is a wasteful number, since it uses less digits than its factorization.

20031122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020506 (or 1020504 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20031122404 its reverse (40422113002), we get a palindrome (60453235406).

The spelling of 20031122404 in words is "twenty billion, thirty-one million, one hundred twenty-two thousand, four hundred four".