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220474200081408 = 210371317231471873
BaseRepresentation
bin110010001000010100100110…
…011000001100010000000000
31001220122010110002012121122020
4302020110212120030100000
5212344222130210101113
62100524241013041440
764303510131460410
oct6210244630142000
91056563402177566
10220474200081408
1164282646217109
1220889463626280
139603821532360
143c630187b4640
151a7508ea28023
hexc8852660c400

220474200081408 has 2112 divisors, whose sum is σ = 810391793369088. Its totient is φ = 51806742773760.

The previous prime is 220474200081397. The next prime is 220474200081467. The reversal of 220474200081408 is 804180002474022.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 220474200081408.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 117711798360 + ... + 117711800232.

Almost surely, 2220474200081408 is an apocalyptic number.

220474200081408 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 220474200081408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405195896684544).

220474200081408 is an abundant number, since it is smaller than the sum of its proper divisors (589917593287680).

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

220474200081408 is a wasteful number, since it uses less digits than its factorization.

220474200081408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 42.

The spelling of 220474200081408 in words is "two hundred twenty trillion, four hundred seventy-four billion, two hundred million, eighty-one thousand, four hundred eight".