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230023001020220 = 225113101780088947
BaseRepresentation
bin110100010011010001100111…
…010001000001011100111100
31010011102222120102210201010022
4310103101213101001130330
5220122144101230121340
62133115035144231312
766310420253323022
oct6423214721013474
91104388512721108
10230023001020220
1167324230430321
122196bbb976b538
139b470caa56765
1440b325ba86712
151b8d65d2ca3b5
hexd1346744173c

230023001020220 has 24 divisors (see below), whose sum is σ = 487323065883024. Its totient is φ = 91194959695616.

The previous prime is 230023001020199. The next prime is 230023001020243. The reversal of 230023001020220 is 22020100320032.

It is a congruent number.

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, 50890042214 + ... + 50890046733.

It is an arithmetic number, because the mean of its divisors is an integer number (20305127745126).

Almost surely, 2230023001020220 is an apocalyptic number.

230023001020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230023001020220 is an abundant number, since it is smaller than the sum of its proper divisors (257300064862804).

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

230023001020220 is a wasteful number, since it uses less digits than its factorization.

230023001020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101780089069 (or 101780089067 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 230023001020220 its reverse (22020100320032), we get a palindrome (252043101340252).

The spelling of 230023001020220 in words is "two hundred thirty trillion, twenty-three billion, one million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 101780088947 203560177894 407120355788 508900444735 1017800889470 2035601778940 11501150051011 23002300102022 46004600204044 57505750255055 115011500510110 230023001020220