220530963536 has 240 divisors, whose sum is σ = 491018572800. Its totient is φ = 95767805952.

The previous prime is 220530963533. The next prime is 220530963547. The reversal of 220530963536 is 635369035022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220530963533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 600901625 + ... + 600901991.

It is an arithmetic number, because the mean of its divisors is an integer number (2045910720).

Almost surely, 2^220530963536 is an apocalyptic number.

220530963536 is a gapful number since it is divisible by the number (26) 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 220530963536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245509286400).

220530963536 is an abundant number, since it is smaller than the sum of its proper divisors (270487609264).

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

220530963536 is a wasteful number, since it uses less digits than its factorization.

220530963536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 44.

Adding to 220530963536 its reverse (635369035022), we get a palindrome (855899998558).

The spelling of 220530963536 in words is "two hundred twenty billion, five hundred thirty million, nine hundred sixty-three thousand, five hundred thirty-six".