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220747980837120 = 283511171481320753
BaseRepresentation
bin110010001100010011100100…
…111110111001000100000000
31001221121022010100000000211120
4302030103210332321010000
5212413213331043241440
62101254120012512240
764332341515502442
oct6214234476710400
91057538110000746
10220747980837120
1164378769327080
122091253017b680
1396235a3355b19
143c7238b670492
151a7c265476dd0
hexc8c4e4fb9100

220747980837120 has 576 divisors, whose sum is σ = 814441782438144. Its totient is φ = 50360913756160.

The previous prime is 220747980837113. The next prime is 220747980837173. The reversal of 220747980837120 is 21738089747022.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10636908664 + ... + 10636929416.

It is an arithmetic number, because the mean of its divisors is an integer number (1413961427844).

Almost surely, 2220747980837120 is an apocalyptic number.

220747980837120 is a gapful number since it is divisible by the number (20) 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 220747980837120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407220891219072).

220747980837120 is an abundant number, since it is smaller than the sum of its proper divisors (593693801601024).

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

220747980837120 is a wasteful number, since it uses less digits than its factorization.

220747980837120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35618 (or 35604 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 220747980837120 in words is "two hundred twenty trillion, seven hundred forty-seven billion, nine hundred eighty million, eight hundred thirty-seven thousand, one hundred twenty".