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2032201220 = 225719375211
BaseRepresentation
bin111100100100000…
…1110111000000100
312020121221111222212
41321020032320010
513130220414340
6533353042552
7101234265620
oct17110167004
95217844885
102032201220
11953140945
124886b6458
1326504023a
14153c7c180
15bd623a65
hex7920ee04

2032201220 has 48 divisors (see below), whose sum is σ = 4902619008. Its totient is φ = 693135360.

The previous prime is 2032201217. The next prime is 2032201231. The reversal of 2032201220 is 221022302.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2032201195 and 2032201204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10586 + ... + 64625.

It is an arithmetic number, because the mean of its divisors is an integer number (102137896).

Almost surely, 22032201220 is an apocalyptic number.

2032201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2032201220 is an abundant number, since it is smaller than the sum of its proper divisors (2870417788).

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

2032201220 is a wasteful number, since it uses less digits than its factorization.

2032201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75420 (or 75418 counting only the distinct ones).

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

The square root of 2032201220 is about 45079.9425465472. The cubic root of 2032201220 is about 1266.6469136655.

Adding to 2032201220 its reverse (221022302), we get a palindrome (2253223522).

The spelling of 2032201220 in words is "two billion, thirty-two million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 193 386 772 965 1351 1930 2702 3860 5404 6755 13510 27020 75211 150422 300844 376055 526477 752110 1052954 1504220 2105908 2632385 5264770 10529540 14515723 29031446 58062892 72578615 101610061 145157230 203220122 290314460 406440244 508050305 1016100610 2032201220