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1120130220 = 22351129431361
BaseRepresentation
bin100001011000011…
…1101010010101100
32220001201111210110
41002300331102230
54243223131340
6303052140020
736520643526
oct10260752254
92801644713
101120130220
11525314460
12273167610
1314b0ab461
14a8a9ca16
1568510680
hex42c3d4ac

1120130220 has 192 divisors, whose sum is σ = 3624445440. Its totient is φ = 255897600.

The previous prime is 1120130213. The next prime is 1120130233. The reversal of 1120130220 is 220310211.

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 = 1120130196 and 1120130205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 822340 + ... + 823700.

It is an arithmetic number, because the mean of its divisors is an integer number (18877320).

Almost surely, 21120130220 is an apocalyptic number.

1120130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120130220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812222720).

1120130220 is an abundant number, since it is smaller than the sum of its proper divisors (2504315220).

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

1120130220 is a wasteful number, since it uses less digits than its factorization.

1120130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1120130220 is about 33468.3465381844. The cubic root of 1120130220 is about 1038.5390668213.

Adding to 1120130220 its reverse (220310211), we get a palindrome (1340440431).

Subtracting from 1120130220 its reverse (220310211), we obtain a square (899820009 = 299972).

The spelling of 1120130220 in words is "one billion, one hundred twenty million, one hundred thirty thousand, two hundred twenty".