20220648288 has 48 divisors (see below), whose sum is σ = 53184854016. Its totient is φ = 6726800000.

The previous prime is 20220648241. The next prime is 20220648299. The reversal of 20220648288 is 88284602202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161088 + ... + 257663.

It is an arithmetic number, because the mean of its divisors is an integer number (1108017792).

Almost surely, 2^20220648288 is an apocalyptic number.

It is an amenable number.

20220648288 is an abundant number, since it is smaller than the sum of its proper divisors (32964205728).

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

20220648288 is a wasteful number, since it uses less digits than its factorization.

20220648288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419267 (or 419259 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 20220648288 in words is "twenty billion, two hundred twenty million, six hundred forty-eight thousand, two hundred eighty-eight".