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2000010020 = 225971030933
BaseRepresentation
bin111011100110101…
…1011101100100100
312011101101000222012
41313031123230210
513044000310040
6530243053352
7100363543001
oct16715335444
95141330865
102000010020
11936a54148
12479971258
1325b47baa8
1414d89c8a8
15ba8b5865
hex7735bb24

2000010020 has 24 divisors (see below), whose sum is σ = 4243324344. Its totient is φ = 791755776.

The previous prime is 2000010013. The next prime is 2000010029. The reversal of 2000010020 is 200100002.

It can be written as a sum of positive squares in 4 ways, for example, as 57668836 + 1942341184 = 7594^2 + 44072^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 2000009986 and 2000010013.

It is not an unprimeable number, because it can be changed into a prime (2000010029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513527 + ... + 517406.

It is an arithmetic number, because the mean of its divisors is an integer number (176805181).

Almost surely, 22000010020 is an apocalyptic number.

2000010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000010020 is an abundant number, since it is smaller than the sum of its proper divisors (2243314324).

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

2000010020 is a wasteful number, since it uses less digits than its factorization.

2000010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031039 (or 1031037 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 2000010020 is about 44721.4715768612. The cubic root of 2000010020 is about 1259.9231539595.

Adding to 2000010020 its reverse (200100002), we get a palindrome (2200110022).

The spelling of 2000010020 in words is "two billion, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 1030933 2061866 4123732 5154665 10309330 20618660 100000501 200001002 400002004 500002505 1000005010 2000010020