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1110302020 = 22555515101
BaseRepresentation
bin100001000101101…
…1101110101000100
32212101020012001001
41002023131311010
54233214131040
6302101343044
736341261062
oct10213356504
92771205031
101110302020
1151a811383
1226ba07a84
13149049b59
14a7661032
156771d59a
hex422ddd44

1110302020 has 12 divisors (see below), whose sum is σ = 2331634284. Its totient is φ = 444120800.

The previous prime is 1110302003. The next prime is 1110302021. The reversal of 1110302020 is 202030111.

It can be written as a sum of positive squares in 2 ways, for example, as 162154756 + 948147264 = 12734^2 + 30792^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1110301988 and 1110302006.

It is not an unprimeable number, because it can be changed into a prime (1110302021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27757531 + ... + 27757570.

It is an arithmetic number, because the mean of its divisors is an integer number (194302857).

Almost surely, 21110302020 is an apocalyptic number.

1110302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110302020 is an abundant number, since it is smaller than the sum of its proper divisors (1221332264).

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

1110302020 is a wasteful number, since it uses less digits than its factorization.

1110302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55515110 (or 55515108 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1110302020 is about 33321.1947564910. The cubic root of 1110302020 is about 1035.4927041840.

Adding to 1110302020 its reverse (202030111), we get a palindrome (1312332131).

It can be divided in two parts, 111030 and 2020, that added together give a triangular number (113050 = T475).

The spelling of 1110302020 in words is "one billion, one hundred ten million, three hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 55515101 111030202 222060404 277575505 555151010 1110302020