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2002102020220 = 225100105101011
BaseRepresentation
bin11101001000100110100…
…101000110100001111100
321002101202221011112121211
4131020212211012201330
5230300301104121340
64131430350334204
7264434645244631
oct35104645064174
97071687145554
102002102020220
117020a5439785
1228402baba364
13116a49bab913
146cc8bb04188
153712c7e35ea
hex1d22694687c

2002102020220 has 12 divisors (see below), whose sum is σ = 4204414242504. Its totient is φ = 800840808080.

The previous prime is 2002102020199. The next prime is 2002102020227. The reversal of 2002102020220 is 220202012002.

It is a self number, because there is not a number n which added to its sum of digits gives 2002102020220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002102020227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50052550486 + ... + 50052550525.

It is an arithmetic number, because the mean of its divisors is an integer number (350367853542).

Almost surely, 22002102020220 is an apocalyptic number.

2002102020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002102020220 is an abundant number, since it is smaller than the sum of its proper divisors (2202312222284).

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

2002102020220 is a wasteful number, since it uses less digits than its factorization.

2002102020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100105101020 (or 100105101018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2002102020220 its reverse (220202012002), we get a palindrome (2222304032222).

The spelling of 2002102020220 in words is "two trillion, two billion, one hundred two million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 100105101011 200210202022 400420404044 500525505055 1001051010110 2002102020220