20204044242420 has 48 divisors (see below), whose sum is σ = 56719029749760. Its totient is φ = 5373677905536.

The previous prime is 20204044242413. The next prime is 20204044242479. The reversal of 20204044242420 is 2424244040202.

It is a happy number.

20204044242420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439577635 + ... + 439623594.

It is an arithmetic number, because the mean of its divisors is an integer number (1181646453120).

Almost surely, 2^{20204044242420} is an apocalyptic number.

20204044242420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20204044242420 is an abundant number, since it is smaller than the sum of its proper divisors (36514985507340).

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

20204044242420 is a wasteful number, since it uses less digits than its factorization.

20204044242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879201624 (or 879201622 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20204044242420 its reverse (2424244040202), we get a palindrome (22628288282622).

The spelling of 20204044242420 in words is "twenty trillion, two hundred four billion, forty-four million, two hundred forty-two thousand, four hundred twenty".