220245706548 has 144 divisors (see below), whose sum is σ = 673455968640. Its totient is φ = 59285779200.

The previous prime is 220245706511. The next prime is 220245706609. The reversal of 220245706548 is 845607542022.

220245706548 is a `hidden beast` number, since 2 + 2 + 0 + 24 + 570 + 6 + 54 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739558 + ... + 993698.

It is an arithmetic number, because the mean of its divisors is an integer number (4676777560).

Almost surely, 2^220245706548 is an apocalyptic number.

220245706548 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 220245706548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336727984320).

220245706548 is an abundant number, since it is smaller than the sum of its proper divisors (453210262092).

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

220245706548 is a wasteful number, since it uses less digits than its factorization.

220245706548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254358 (or 254353 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 220245706548 in words is "two hundred twenty billion, two hundred forty-five million, seven hundred six thousand, five hundred forty-eight".