420434111134120 has 32 divisors (see below), whose sum is σ = 946627800939720. Its totient is φ = 168057902073600.

The previous prime is 420434111134013. The next prime is 420434111134129. The reversal of 420434111134120 is 21431111434024.

It can be written as a sum of positive squares in 4 ways, for example, as 350160126304356 + 70273984829764 = 18712566^2 + 8382958^2 .

It is not an unprimeable number, because it can be changed into a prime (420434111134129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3616890531 + ... + 3617006770.

Almost surely, 2^{420434111134120} is an apocalyptic number.

420434111134120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420434111134120 is an abundant number, since it is smaller than the sum of its proper divisors (526193689805600).

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

420434111134120 is a wasteful number, since it uses less digits than its factorization.

420434111134120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233898765 (or 7233898761 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 420434111134120 its reverse (21431111434024), we get a palindrome (441865222568144).

The spelling of 420434111134120 in words is "four hundred twenty trillion, four hundred thirty-four billion, one hundred eleven million, one hundred thirty-four thousand, one hundred twenty".