20042303303420 has 36 divisors (see below), whose sum is σ = 42689986975272. Its totient is φ = 7904006896800.

The previous prime is 20042303303411. The next prime is 20042303303437. The reversal of 20042303303420 is 2430330324002.

It is a self number, because there is not a number n which added to its sum of digits gives 20042303303420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99295646 + ... + 99497285.

Almost surely, 2^{20042303303420} is an apocalyptic number.

20042303303420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042303303420 is an abundant number, since it is smaller than the sum of its proper divisors (22647683671852).

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

20042303303420 is a wasteful number, since it uses less digits than its factorization.

20042303303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198793082 (or 198793009 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20042303303420 its reverse (2430330324002), we get a palindrome (22472633627422).

The spelling of 20042303303420 in words is "twenty trillion, forty-two billion, three hundred three million, three hundred three thousand, four hundred twenty".