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202220020020 = 223524113984787
BaseRepresentation
bin1011110001010101000…
…0001010000100110100
3201022222001122101110010
42330111100022010310
511303121311120040
6232522032500220
720416125544404
oct2742520120464
9638861571403
10202220020020
1178840a25097
12332370aa670
13160b92400a5
149b04c90804
1553d82e7e80
hex2f1540a134

202220020020 has 48 divisors (see below), whose sum is σ = 568565540928. Its totient is φ = 53701578240.

The previous prime is 202220019997. The next prime is 202220020021. The reversal of 202220020020 is 20020022202.

202220020020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202220019978 and 202220020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220020021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6977934 + ... + 7006853.

It is an arithmetic number, because the mean of its divisors is an integer number (11845115436).

Almost surely, 2202220020020 is an apocalyptic number.

202220020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220020020 is an abundant number, since it is smaller than the sum of its proper divisors (366345520908).

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

202220020020 is a wasteful number, since it uses less digits than its factorization.

202220020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13985040 (or 13985038 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 202220020020 its reverse (20020022202), we get a palindrome (222240042222).

The spelling of 202220020020 in words is "two hundred two billion, two hundred twenty million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 241 482 723 964 1205 1446 2410 2892 3615 4820 7230 14460 13984787 27969574 41954361 55939148 69923935 83908722 139847870 167817444 209771805 279695740 419543610 839087220 3370333667 6740667334 10111001001 13481334668 16851668335 20222002002 33703336670 40444004004 50555005005 67406673340 101110010010 202220020020