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2220802111008 = 25321319101930637
BaseRepresentation
bin100000010100010010000…
…111101111011000100000
321212022021111222021011100
4200110102013233120200
5242341200320023013
64420120012314400
7316306355324025
oct40242207573040
97768244867140
102220802111008
11786922993968
122ba4a6172a00
1313156149cb70
14796b75b154c
153cb7c810473
hex205121ef620

2220802111008 has 288 divisors, whose sum is σ = 7166424283200. Its totient is φ = 646702921728.

The previous prime is 2220802110991. The next prime is 2220802111037. The reversal of 2220802111008 is 8001112080222.

It is a tau number, because it is divible by the number of its divisors (288).

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, 72472266 + ... + 72502902.

It is an arithmetic number, because the mean of its divisors is an integer number (24883417650).

Almost surely, 22220802111008 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 2220802111008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583212141600).

2220802111008 is an abundant number, since it is smaller than the sum of its proper divisors (4945622172192).

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

2220802111008 is a wasteful number, since it uses less digits than its factorization.

2220802111008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31704 (or 31693 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The spelling of 2220802111008 in words is "two trillion, two hundred twenty billion, eight hundred two million, one hundred eleven thousand, eight".