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220030210222120 = 2355500755255553
BaseRepresentation
bin110010000001110111000110…
…100001010010100000101000
31001212001200102122221212010201
4302001313012201102200220
5212314433332304101440
62055544252205321544
764226441504105644
oct6201670641224050
91055050378855121
10220030210222120
1164121319549401
12208173b42662b4
1395a09b536099c
143c4973a1adc24
151a6875622719a
hexc81dc6852828

220030210222120 has 16 divisors (see below), whose sum is σ = 495067972999860. Its totient is φ = 88012084088832.

The previous prime is 220030210222093. The next prime is 220030210222127. The reversal of 220030210222120 is 21222012030022.

It can be written as a sum of positive squares in 2 ways, for example, as 192422562749316 + 27607647472804 = 13871646^2 + 5254298^2 .

It is not an unprimeable number, because it can be changed into a prime (220030210222127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750377627737 + ... + 2750377627816.

Almost surely, 2220030210222120 is an apocalyptic number.

220030210222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220030210222120 is an abundant number, since it is smaller than the sum of its proper divisors (275037762777740).

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

220030210222120 is a wasteful number, since it uses less digits than its factorization.

220030210222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500755255564 (or 5500755255560 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220030210222120 its reverse (21222012030022), we get a palindrome (241252222252142).

The spelling of 220030210222120 in words is "two hundred twenty trillion, thirty billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5500755255553 11001510511106 22003021022212 27503776277765 44006042044424 55007552555530 110015105111060 220030210222120