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1202030220 = 2235171178461
BaseRepresentation
bin100011110100101…
…1000011010001100
310002202211110110210
41013221120122030
54430204431340
6315135402420
741534042166
oct10751303214
93082743423
101202030220
11567573106
12296683410
131620555b1
14b58db936
15707dc180
hex47a5868c

1202030220 has 48 divisors (see below), whose sum is σ = 3563669088. Its totient is φ = 301685760.

The previous prime is 1202030201. The next prime is 1202030261. The reversal of 1202030220 is 220302021.

1202030220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1202030196 and 1202030205.

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, 588211 + ... + 590250.

It is an arithmetic number, because the mean of its divisors is an integer number (74243106).

Almost surely, 21202030220 is an apocalyptic number.

1202030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202030220 is an abundant number, since it is smaller than the sum of its proper divisors (2361638868).

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

1202030220 is a wasteful number, since it uses less digits than its factorization.

1202030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178490 (or 1178488 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1202030220 is about 34670.3074690721. The cubic root of 1202030220 is about 1063.2575178325.

Adding to 1202030220 its reverse (220302021), we get a palindrome (1422332241).

The spelling of 1202030220 in words is "one billion, two hundred two million, thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 1178461 2356922 3535383 4713844 5892305 7070766 11784610 14141532 17676915 20033837 23569220 35353830 40067674 60101511 70707660 80135348 100169185 120203022 200338370 240406044 300507555 400676740 601015110 1202030220