20004222040002 has 12 divisors (see below), whose sum is σ = 43342481086710. Its totient is φ = 6668074013328.

The previous prime is 20004222039961. The next prime is 20004222040009. The reversal of 20004222040002 is 20004022240002.

20004222040002 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 42 + 220 + 400 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16056057014001 + 3948165026001 = 4007001^2 + 1986999^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1111345668889 = 20004222040002 / (2 + 0 + 0 + 0 + 4 + 2 + 2 + 2 + 0 + 4 + 0 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (20004222040009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555672834427 + ... + 555672834462.

Almost surely, 2^{20004222040002} is an apocalyptic number.

20004222040002 is an abundant number, since it is smaller than the sum of its proper divisors (23338259046708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20004222040002 is a wasteful number, since it uses less digits than its factorization.

20004222040002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111345668897 (or 1111345668894 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20004222040002 its reverse (20004022240002), we get a palindrome (40008244280004).

The spelling of 20004222040002 in words is "twenty trillion, four billion, two hundred twenty-two million, forty thousand, two".