20424405330460 has 48 divisors (see below), whose sum is σ = 42920633266560. Its totient is φ = 8164166376960.

The previous prime is 20424405330431. The next prime is 20424405330479. The reversal of 20424405330460 is 6403350442402.

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, 707226301 + ... + 707255179.

It is an arithmetic number, because the mean of its divisors is an integer number (894179859720).

Almost surely, 2^{20424405330460} is an apocalyptic number.

20424405330460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20424405330460 is an abundant number, since it is smaller than the sum of its proper divisors (22496227936100).

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

20424405330460 is a wasteful number, since it uses less digits than its factorization.

20424405330460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51886 (or 51884 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 20424405330460 its reverse (6403350442402), we get a palindrome (26827755772862).

The spelling of 20424405330460 in words is "twenty trillion, four hundred twenty-four billion, four hundred five million, three hundred thirty thousand, four hundred sixty".