220793487684 has 96 divisors (see below), whose sum is σ = 642681940992. Its totient is φ = 57315600000.

The previous prime is 220793487667. The next prime is 220793487703. The reversal of 220793487684 is 486784397022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540059 + ... + 1677309.

It is an arithmetic number, because the mean of its divisors is an integer number (6694603552).

Almost surely, 2^220793487684 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 220793487684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321340970496).

220793487684 is an abundant number, since it is smaller than the sum of its proper divisors (421888453308).

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

220793487684 is a wasteful number, since it uses less digits than its factorization.

220793487684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139017 (or 139015 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 220793487684 in words is "two hundred twenty billion, seven hundred ninety-three million, four hundred eighty-seven thousand, six hundred eighty-four".