220651669848 has 64 divisors (see below), whose sum is σ = 558715392000. Its totient is φ = 72606074112.

The previous prime is 220651669841. The next prime is 220651669871. The reversal of 220651669848 is 848966156022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220651669841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20336761 + ... + 20347607.

It is an arithmetic number, because the mean of its divisors is an integer number (8729928000).

Almost surely, 2^220651669848 is an apocalyptic number.

It is an amenable number.

220651669848 is an abundant number, since it is smaller than the sum of its proper divisors (338063722152).

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

220651669848 is a wasteful number, since it uses less digits than its factorization.

220651669848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21664 (or 21660 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 220651669848 in words is "two hundred twenty billion, six hundred fifty-one million, six hundred sixty-nine thousand, eight hundred forty-eight".