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23212020120 = 2335613171041
BaseRepresentation
bin10101100111100010…
…110101000110011000
32012220200111210111220
4111213202311012120
5340014234120440
614355150052040
71451133626022
oct254742650630
965820453456
1023212020120
119931642303
1245b97aa020
13225bc94663
1411a2b1d012
1590cc408d0
hex5678b5198

23212020120 has 64 divisors (see below), whose sum is σ = 70777657440. Its totient is φ = 6088396800.

The previous prime is 23212020067. The next prime is 23212020163. The reversal of 23212020120 is 2102021232.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23212020120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578201 + ... + 1592840.

Almost surely, 223212020120 is an apocalyptic number.

23212020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212020120 is an abundant number, since it is smaller than the sum of its proper divisors (47565637320).

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

23212020120 is a wasteful number, since it uses less digits than its factorization.

23212020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171116 (or 3171112 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23212020120 its reverse (2102021232), we get a palindrome (25314041352).

The spelling of 23212020120 in words is "twenty-three billion, two hundred twelve million, twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 61 120 122 183 244 305 366 488 610 732 915 1220 1464 1830 2440 3660 7320 3171041 6342082 9513123 12684164 15855205 19026246 25368328 31710410 38052492 47565615 63420820 76104984 95131230 126841640 190262460 193433501 380524920 386867002 580300503 773734004 967167505 1160601006 1547468008 1934335010 2321202012 2901502515 3868670020 4642404024 5803005030 7737340040 11606010060 23212020120