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202202110020 = 22357942658673
BaseRepresentation
bin1011110001010000101…
…1110101100001000100
3201022220210221110112210
42330110023311201010
511303102220010040
6232520152543420
720415520401561
oct2742413654104
9638823843483
10202202110020
1178831902039
12332310b1b70
13160b560c061
149b0274b868
1553d695b480
hex2f142f5844

202202110020 has 48 divisors (see below), whose sum is σ = 573332578560. Its totient is φ = 53238022656.

The previous prime is 202202110007. The next prime is 202202110051. The reversal of 202202110020 is 20011202202.

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 = 202202109978 and 202202110005.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21324597 + ... + 21334076.

It is an arithmetic number, because the mean of its divisors is an integer number (11944428720).

Almost surely, 2202202110020 is an apocalyptic number.

202202110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202202110020 is an abundant number, since it is smaller than the sum of its proper divisors (371130468540).

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

202202110020 is a wasteful number, since it uses less digits than its factorization.

202202110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42658764 (or 42658762 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202202110020 its reverse (20011202202), we get a palindrome (222213312222).

The spelling of 202202110020 in words is "two hundred two billion, two hundred two million, one hundred ten thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 42658673 85317346 127976019 170634692 213293365 255952038 426586730 511904076 639880095 853173460 1279760190 2559520380 3370035167 6740070334 10110105501 13480140668 16850175835 20220211002 33700351670 40440422004 50550527505 67400703340 101101055010 202202110020