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2230123020 = 223550777321
BaseRepresentation
bin1000010011101100…
…1111101000001100
312202102100222122220
42010323033220030
514031402414040
61005143135340
7106156506246
oct20473175014
95672328586
102230123020
11a44934484
12522a44550
1329704a628
1417227d096
15d0bbc2d0
hex84ecfa0c

2230123020 has 48 divisors (see below), whose sum is σ = 6246427488. Its totient is φ = 594501120.

The previous prime is 2230123013. The next prime is 2230123057. The reversal of 2230123020 is 203210322.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300960 + ... + 308280.

It is an arithmetic number, because the mean of its divisors is an integer number (130133906).

Almost surely, 22230123020 is an apocalyptic number.

2230123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230123020 is an abundant number, since it is smaller than the sum of its proper divisors (4016304468).

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

2230123020 is a wasteful number, since it uses less digits than its factorization.

2230123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12410 (or 12408 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2230123020 is about 47224.1783411845. The cubic root of 2230123020 is about 1306.5005800574.

Adding to 2230123020 its reverse (203210322), we get a palindrome (2433333342).

It can be divided in two parts, 2230 and 123020, that added together give a triangular number (125250 = T500).

The spelling of 2230123020 in words is "two billion, two hundred thirty million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5077 7321 10154 14642 15231 20308 21963 25385 29284 30462 36605 43926 50770 60924 73210 76155 87852 101540 109815 146420 152310 219630 304620 439260 37168717 74337434 111506151 148674868 185843585 223012302 371687170 446024604 557530755 743374340 1115061510 2230123020