24021421402220 has 72 divisors (see below), whose sum is σ = 55647967461072. Its totient is φ = 8703527564160.

The previous prime is 24021421402193. The next prime is 24021421402243. The reversal of 24021421402220 is 2220412412042.

It is a self number, because there is not a number n which added to its sum of digits gives 24021421402220.

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, 17247002 + ... + 18587681.

Almost surely, 2^{24021421402220} is an apocalyptic number.

24021421402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24021421402220 is an abundant number, since it is smaller than the sum of its proper divisors (31626546058852).

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

24021421402220 is a wasteful number, since it uses less digits than its factorization.

24021421402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35834991 (or 35834978 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 24021421402220 its reverse (2220412412042), we get a palindrome (26241833814262).

The spelling of 24021421402220 in words is "twenty-four trillion, twenty-one billion, four hundred twenty-one million, four hundred two thousand, two hundred twenty".