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220201012021200 = 243527232235111017
BaseRepresentation
bin110010000100010110001011…
…000110011100011111010000
31001212200000022010200020211020
4302010112023012130133100
5212330233133034134300
62100154540504515440
764244666232332520
oct6204261306343720
91055600263606736
10220201012021200
11641877a7726041
122084452147bb80
1395b3b3544a7a2
143c53b0051d680
151a6ce011528a0
hexc8458b19c7d0

220201012021200 has 480 divisors, whose sum is σ = 844967561281536. Its totient is φ = 47927428116480.

The previous prime is 220201012021189. The next prime is 220201012021267. The reversal of 220201012021200 is 2120210102022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220201012021200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40528092 + ... + 45639108.

Almost surely, 2220201012021200 is an apocalyptic number.

220201012021200 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 220201012021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422483780640768).

220201012021200 is an abundant number, since it is smaller than the sum of its proper divisors (624766549260336).

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

220201012021200 is a wasteful number, since it uses less digits than its factorization.

220201012021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111291 (or 5111280 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220201012021200 its reverse (2120210102022), we get a palindrome (222321222123222).

The spelling of 220201012021200 in words is "two hundred twenty trillion, two hundred one billion, twelve million, twenty-one thousand, two hundred".