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10320030220 = 2252357218923
BaseRepresentation
bin10011001110001111…
…10010101000001100
3222122012221212001111
421213013302220030
5132113411431340
64424014021404
7513511544443
oct114707625014
928565855044
1010320030220
11441642a4a5
1220001a7864
13c860ac376
146dc86bd5a
15406026aea
hex2671f2a0c

10320030220 has 24 divisors (see below), whose sum is σ = 21681357264. Its totient is φ = 4126241856.

The previous prime is 10320030191. The next prime is 10320030223. The reversal of 10320030220 is 2203002301.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10320030220.

It is not an unprimeable number, because it can be changed into a prime (10320030223) 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, 62322 + ... + 156601.

It is an arithmetic number, because the mean of its divisors is an integer number (903389886).

Almost surely, 210320030220 is an apocalyptic number.

10320030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320030220 is an abundant number, since it is smaller than the sum of its proper divisors (11361327044).

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

10320030220 is a wasteful number, since it uses less digits than its factorization.

10320030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221289 (or 221287 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 10320030220 its reverse (2203002301), we get a palindrome (12523032521).

The spelling of 10320030220 in words is "ten billion, three hundred twenty million, thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2357 4714 9428 11785 23570 47140 218923 437846 875692 1094615 2189230 4378460 516001511 1032003022 2064006044 2580007555 5160015110 10320030220