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2020040040220 = 2251279234733647
BaseRepresentation
bin11101011001010011110…
…001001101111100011100
321011010002001201101001221
4131121103301031330130
5231044020222241340
64143554340343124
7265641322015216
oct35312361157434
97133061641057
102020040040220
1170976aa386a4
122875b73a4aa4
1311864831ac37
146dab01d95b6
153782c50744a
hex1d653c4df1c

2020040040220 has 48 divisors (see below), whose sum is σ = 4247335895040. Its totient is φ = 807016267584.

The previous prime is 2020040040203. The next prime is 2020040040289. The reversal of 2020040040220 is 220400400202.

It is a junction number, because it is equal to n+sod(n) for n = 2020040040194 and 2020040040203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60019437 + ... + 60053083.

It is an arithmetic number, because the mean of its divisors is an integer number (88486164480).

Almost surely, 22020040040220 is an apocalyptic number.

2020040040220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020040040220 is an abundant number, since it is smaller than the sum of its proper divisors (2227295854820).

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

2020040040220 is a wasteful number, since it uses less digits than its factorization.

2020040040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37282 (or 37280 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 2020040040220 its reverse (220400400202), we get a palindrome (2240440440422).

The spelling of 2020040040220 in words is "two trillion, twenty billion, forty million, forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1279 2347 2558 4694 5116 6395 9388 11735 12790 23470 25580 33647 46940 67294 134588 168235 336470 672940 3001813 6003626 12007252 15009065 30018130 43034513 60036260 78969509 86069026 157939018 172138052 215172565 315878036 394847545 430345130 789695090 860690260 1579390180 101002002011 202004004022 404008008044 505010010055 1010020020110 2020040040220