968551220 has 192 divisors, whose sum is σ = 2709880320. Its totient is φ = 282175488.

The previous prime is 968551211. The next prime is 968551223. The reversal of 968551220 is 22155869.

968551220 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968551223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1279082 + ... + 1279838.

It is an arithmetic number, because the mean of its divisors is an integer number (14113960).

Almost surely, 2^968551220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 968551220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354940160).

968551220 is an abundant number, since it is smaller than the sum of its proper divisors (1741329100).

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

968551220 is a wasteful number, since it uses less digits than its factorization.

968551220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 968551220 is about 31121.5555523820. Note that the first 5 decimals coincide. The cubic root of 968551220 is about 989.4052203976.

The spelling of 968551220 in words is "nine hundred sixty-eight million, five hundred fifty-one thousand, two hundred twenty".