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2210210102020 = 225110510505101
BaseRepresentation
bin100000001010011010110…
…010011011101100000100
321211021221100020110101011
4200022122302123230010
5242203002241231040
64411205001012004
7315453031614244
oct40123262335404
97737840213334
102210210102020
11782387a89828
122b842aa84004
13130563c5411b
1478d90985b24
153c75c9b23ea
hex2029ac9bb04

2210210102020 has 12 divisors (see below), whose sum is σ = 4641441214284. Its totient is φ = 884084040800.

The previous prime is 2210210102003. The next prime is 2210210102027. The reversal of 2210210102020 is 202010120122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1141269163204 + 1068940938816 = 1068302^2 + 1033896^2 .

It is not an unprimeable number, because it can be changed into a prime (2210210102027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55255252531 + ... + 55255252570.

It is an arithmetic number, because the mean of its divisors is an integer number (386786767857).

Almost surely, 22210210102020 is an apocalyptic number.

2210210102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210210102020 is an abundant number, since it is smaller than the sum of its proper divisors (2431231112264).

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

2210210102020 is a wasteful number, since it uses less digits than its factorization.

2210210102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110510505110 (or 110510505108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2210210102020 its reverse (202010120122), we get a palindrome (2412220222142).

The spelling of 2210210102020 in words is "two trillion, two hundred ten billion, two hundred ten million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 110510505101 221021010202 442042020404 552552525505 1105105051010 2210210102020