220490546808 has 128 divisors (see below), whose sum is σ = 651154752000. Its totient is φ = 60914142720.

The previous prime is 220490546767. The next prime is 220490546827. The reversal of 220490546808 is 808645094022.

It is a happy number.

It is a congruent 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, 422298 + ... + 786966.

It is an arithmetic number, because the mean of its divisors is an integer number (5087146500).

Almost surely, 2^220490546808 is an apocalyptic number.

220490546808 is a gapful number since it is divisible by the number (28) 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 220490546808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325577376000).

220490546808 is an abundant number, since it is smaller than the sum of its proper divisors (430664205192).

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

220490546808 is a wasteful number, since it uses less digits than its factorization.

220490546808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364805 (or 364801 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 220490546808 in words is "two hundred twenty billion, four hundred ninety million, five hundred forty-six thousand, eight hundred eight".