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2020002122020 = 225663771521613
BaseRepresentation
bin11101011001010001100…
…000100100100100100100
321011002222102100221002011
4131121101200210210210
5231043431020401040
64143550503524004
7265640351510431
oct35312140444444
97132872327064
102020002122020
1170975059a143
122875a6759604
13118640502b2c
146daa9168b88
15378290173ea
hex1d651824924

2020002122020 has 24 divisors (see below), whose sum is σ = 4242071151864. Its totient is φ = 807988144896.

The previous prime is 2020002121997. The next prime is 2020002122141. The reversal of 2020002122020 is 202212000202.

It can be written as a sum of positive squares in 4 ways, for example, as 939267228964 + 1080734893056 = 969158^2 + 1039584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566734 + ... + 2088346.

It is an arithmetic number, because the mean of its divisors is an integer number (176752964661).

Almost surely, 22020002122020 is an apocalyptic number.

2020002122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020002122020 is an abundant number, since it is smaller than the sum of its proper divisors (2222069029844).

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

2020002122020 is a wasteful number, since it uses less digits than its factorization.

2020002122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587999 (or 1587997 counting only the distinct ones).

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

Adding to 2020002122020 its reverse (202212000202), we get a palindrome (2222214122222).

The spelling of 2020002122020 in words is "two trillion, twenty billion, two million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 66377 132754 265508 331885 663770 1327540 1521613 3043226 6086452 7608065 15216130 30432260 101000106101 202000212202 404000424404 505000530505 1010001061010 2020002122020