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2012021022020 = 225100601051101
BaseRepresentation
bin11101010001110101110…
…011000101110101000100
321010100101012112001002212
4131101311303011311010
5230431104340201040
64140150521122552
7265235520335342
oct35216563056504
97110335461085
102012021022020
11706325460629
12285b39929458
1311796ab79559
146d54d1c0992
153750d501d65
hex1d475cc5d44

2012021022020 has 12 divisors (see below), whose sum is σ = 4225244146284. Its totient is φ = 804808408800.

The previous prime is 2012021022001. The next prime is 2012021022059. The reversal of 2012021022020 is 202201202102.

It can be written as a sum of positive squares in 2 ways, for example, as 440728687876 + 1571292334144 = 663874^2 + 1253512^2 .

It is a super-3 number, since 3×20120210220203 (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012021021986 and 2012021022004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50300525531 + ... + 50300525570.

It is an arithmetic number, because the mean of its divisors is an integer number (352103678857).

Almost surely, 22012021022020 is an apocalyptic number.

2012021022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012021022020 is an abundant number, since it is smaller than the sum of its proper divisors (2213223124264).

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

2012021022020 is a wasteful number, since it uses less digits than its factorization.

2012021022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100601051110 (or 100601051108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2012021022020 its reverse (202201202102), we get a palindrome (2214222224122).

The spelling of 2012021022020 in words is "two trillion, twelve billion, twenty-one million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 100601051101 201202102202 402404204404 503005255505 1006010511010 2012021022020