24221340423420 has 192 divisors, whose sum is σ = 81593955072000. Its totient is φ = 5248733478912.

The previous prime is 24221340423419. The next prime is 24221340423431. The reversal of 24221340423420 is 2432404312242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10003045 + ... + 12186204.

It is an arithmetic number, because the mean of its divisors is an integer number (424968516000).

Almost surely, 2^{24221340423420} is an apocalyptic number.

24221340423420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24221340423420 is an abundant number, since it is smaller than the sum of its proper divisors (57372614648580).

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

24221340423420 is a wasteful number, since it uses less digits than its factorization.

24221340423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22189404 (or 22189402 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 24221340423420 its reverse (2432404312242), we get a palindrome (26653744735662).

The spelling of 24221340423420 in words is "twenty-four trillion, two hundred twenty-one billion, three hundred forty million, four hundred twenty-three thousand, four hundred twenty".