20112201012004 has 12 divisors (see below), whose sum is σ = 35196509460364. Its totient is φ = 10056055451904.

The previous prime is 20112201011921. The next prime is 20112201012061. The reversal of 20112201012004 is 40021010221102.

It can be written as a sum of positive squares in 2 ways, for example, as 6931888591104 + 13180312420900 = 2632848^2 + 3630470^2 .

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, 10248969 + ... + 12052624.

Almost surely, 2^{20112201012004} is an apocalyptic number.

It is an amenable number.

20112201012004 is a deficient number, since it is larger than the sum of its proper divisors (15084308448360).

20112201012004 is a wasteful number, since it uses less digits than its factorization.

20112201012004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527054 (or 22527052 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20112201012004 its reverse (40021010221102), we get a palindrome (60133211233106).

The spelling of 20112201012004 in words is "twenty trillion, one hundred twelve billion, two hundred one million, twelve thousand, four".