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20200323020 = 2252394226009
BaseRepresentation
bin10010110100000010…
…000111011111001100
31221010210110201202212
4102310002013133030
5312332240314040
613140243005552
71313403625013
oct226402073714
957123421685
1020200323020
118626612739
123ab90698b8
131b9c045c77
14d98b4da7a
157d363ad65
hex4b40877cc

20200323020 has 24 divisors (see below), whose sum is σ = 42598180800. Its totient is φ = 8046319232.

The previous prime is 20200323001. The next prime is 20200323037. The reversal of 20200323020 is 2032300202.

It is a super-2 number, since 2×202003230202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20200322986 and 20200323004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108225 + ... + 2117784.

It is an arithmetic number, because the mean of its divisors is an integer number (1774924200).

Almost surely, 220200323020 is an apocalyptic number.

20200323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200323020 is an abundant number, since it is smaller than the sum of its proper divisors (22397857780).

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

20200323020 is a wasteful number, since it uses less digits than its factorization.

20200323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226257 (or 4226255 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20200323020 its reverse (2032300202), we get a palindrome (22232623222).

The spelling of 20200323020 in words is "twenty billion, two hundred million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 4780 4226009 8452018 16904036 21130045 42260090 84520180 1010016151 2020032302 4040064604 5050080755 10100161510 20200323020