420412531320 has 96 divisors (see below), whose sum is σ = 1366530328800. Its totient is φ = 112094451456.

The previous prime is 420412531313. The next prime is 420412531349. The reversal of 420412531320 is 23135214024.

420412531320 is a `hidden beast` number, since 4 + 204 + 125 + 313 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2643994 + ... + 2798486.

It is an arithmetic number, because the mean of its divisors is an integer number (14234690925).

Almost surely, 2^420412531320 is an apocalyptic number.

420412531320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420412531320 is an abundant number, since it is smaller than the sum of its proper divisors (946117797480).

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

420412531320 is a wasteful number, since it uses less digits than its factorization.

420412531320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162069 (or 162062 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 420412531320 its reverse (23135214024), we get a palindrome (443547745344).

The spelling of 420412531320 in words is "four hundred twenty billion, four hundred twelve million, five hundred thirty-one thousand, three hundred twenty".