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1020303020 = 225118595399
BaseRepresentation
bin111100110100001…
…001011010101100
32122002212202121202
4330310021122230
54042144144040
6245124345032
734166301242
oct7464113254
92562782552
101020303020
11483a30840
12245845178
131334c84c9
1499714792
155e892015
hex3cd096ac

1020303020 has 48 divisors (see below), whose sum is σ = 2340576000. Its totient is φ = 370518720.

The previous prime is 1020303007. The next prime is 1020303047. The reversal of 1020303020 is 203030201.

1020303020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10203030202 = 2082036505242240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a junction number, because it is equal to n+sod(n) for n = 1020302992 and 1020303010.

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, 186281 + ... + 191679.

It is an arithmetic number, because the mean of its divisors is an integer number (48762000).

Almost surely, 21020303020 is an apocalyptic number.

1020303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020303020 is an abundant number, since it is smaller than the sum of its proper divisors (1320272980).

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

1020303020 is a wasteful number, since it uses less digits than its factorization.

1020303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278 (or 6276 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1020303020 is about 31942.1824551799. The cubic root of 1020303020 is about 1006.7223816558.

Adding to 1020303020 its reverse (203030201), we get a palindrome (1223333221).

The spelling of 1020303020 in words is "one billion, twenty million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 859 1718 3436 4295 5399 8590 9449 10798 17180 18898 21596 26995 37796 47245 53990 59389 94490 107980 118778 188980 237556 296945 593890 1187780 4637741 9275482 18550964 23188705 46377410 51015151 92754820 102030302 204060604 255075755 510151510 1020303020