20020201304004 has 108 divisors (see below), whose sum is σ = 55631613976848. Its totient is φ = 6066056309280.

The previous prime is 20020201303981. The next prime is 20020201304039. The reversal of 20020201304004 is 40040310202002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39838567 + ... + 40337969.

Almost surely, 2^{20020201304004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020201304004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27815806988424).

20020201304004 is an abundant number, since it is smaller than the sum of its proper divisors (35611412672844).

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

20020201304004 is a wasteful number, since it uses less digits than its factorization.

20020201304004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508638 (or 508622 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20020201304004 its reverse (40040310202002), we get a palindrome (60060511506006).

The spelling of 20020201304004 in words is "twenty trillion, twenty billion, two hundred one million, three hundred four thousand, four".