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2320210220 = 225831397717
BaseRepresentation
bin1000101001001011…
…1001100100101100
312222200212220001212
42022102321210230
514222433211340
61022122053552
7111332314166
oct21222714454
95880786055
102320210220
11a90775309
1254904a2b8
132ac900173
1418020d936
15d8a64a65
hex8a4b992c

2320210220 has 24 divisors (see below), whose sum is σ = 4931149104. Its totient is φ = 916901696.

The previous prime is 2320210219. The next prime is 2320210229. The reversal of 2320210220 is 220120232.

It is a junction number, because it is equal to n+sod(n) for n = 2320210195 and 2320210204.

It is not an unprimeable number, because it can be changed into a prime (2320210229) 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, 697199 + ... + 700518.

It is an arithmetic number, because the mean of its divisors is an integer number (205464546).

Almost surely, 22320210220 is an apocalyptic number.

2320210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320210220 is an abundant number, since it is smaller than the sum of its proper divisors (2610938884).

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

2320210220 is a wasteful number, since it uses less digits than its factorization.

2320210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397809 (or 1397807 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2320210220 is about 48168.5604933342. The cubic root of 2320210220 is about 1323.8611731233.

Adding to 2320210220 its reverse (220120232), we get a palindrome (2540330452).

The spelling of 2320210220 in words is "two billion, three hundred twenty million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 1397717 2795434 5590868 6988585 13977170 27954340 116010511 232021022 464042044 580052555 1160105110 2320210220