220424241551540 has 192 divisors, whose sum is σ = 511280847028224. Its totient is φ = 79315848387072.

The previous prime is 220424241551467. The next prime is 220424241551551. The reversal of 220424241551540 is 45155142424022.

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, 3082691429 + ... + 3082762931.

It is an arithmetic number, because the mean of its divisors is an integer number (2662921078272).

Almost surely, 2^{220424241551540} is an apocalyptic number.

220424241551540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220424241551540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255640423514112).

220424241551540 is an abundant number, since it is smaller than the sum of its proper divisors (290856605476684).

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

220424241551540 is a wasteful number, since it uses less digits than its factorization.

220424241551540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72646 (or 72644 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 220424241551540 its reverse (45155142424022), we get a palindrome (265579383975562).

The spelling of 220424241551540 in words is "two hundred twenty trillion, four hundred twenty-four billion, two hundred forty-one million, five hundred fifty-one thousand, five hundred forty".