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202230110020 = 22589809112589
BaseRepresentation
bin1011110001010111011…
…0101001011101000100
3201022222202122000022211
42330111312221131010
511303131402010040
6232523033033204
720416310400331
oct2742566513504
9638882560284
10202230110020
1178846696934
123323a555804
13160bb3638c3
149b06359988
1553d913c8ea
hex2f15da9744

202230110020 has 24 divisors (see below), whose sum is σ = 424691731800. Its totient is φ = 80890424832.

The previous prime is 202230109973. The next prime is 202230110021. The reversal of 202230110020 is 20011032202.

It can be written as a sum of positive squares in 4 ways, for example, as 71982743616 + 130247366404 = 268296^2 + 360898^2 .

It is not an unprimeable number, because it can be changed into a prime (202230110021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1739886 + ... + 1852474.

It is an arithmetic number, because the mean of its divisors is an integer number (17695488825).

Almost surely, 2202230110020 is an apocalyptic number.

202230110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202230110020 is an abundant number, since it is smaller than the sum of its proper divisors (222461621780).

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

202230110020 is a wasteful number, since it uses less digits than its factorization.

202230110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202407 (or 202405 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 202230110020 its reverse (20011032202), we get a palindrome (222241142222).

The spelling of 202230110020 in words is "two hundred two billion, two hundred thirty million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 89809 112589 179618 225178 359236 449045 450356 562945 898090 1125890 1796180 2251780 10111505501 20223011002 40446022004 50557527505 101115055010 202230110020