20311000222204 has 12 divisors (see below), whose sum is σ = 35544420692424. Its totient is φ = 10155451452944.

The previous prime is 20311000222189. The next prime is 20311000222231. The reversal of 20311000222204 is 40222200011302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11217142 + ... + 12901405.

It is an arithmetic number, because the mean of its divisors is an integer number (2962035057702).

Almost surely, 2^{20311000222204} is an apocalyptic number.

It is an amenable number.

20311000222204 is a deficient number, since it is larger than the sum of its proper divisors (15233420470220).

20311000222204 is a wasteful number, since it uses less digits than its factorization.

20311000222204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24329084 (or 24329082 counting only the distinct ones).

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

Adding to 20311000222204 its reverse (40222200011302), we get a palindrome (60533200233506).

The spelling of 20311000222204 in words is "twenty trillion, three hundred eleven billion, two hundred twenty-two thousand, two hundred four".