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2020010 = 25202001
BaseRepresentation
bin111101101001010101010
310210121221012
413231022222
51004120020
6111143522
723112146
oct7551252
93717835
102020010
11115a733
12814ba2
13559595
143a8226
1529d7c5
hex1ed2aa

2020010 has 8 divisors (see below), whose sum is σ = 3636036. Its totient is φ = 808000.

The previous prime is 2020003. The next prime is 2020019. The reversal of 2020010 is 100202.

It can be written as a sum of positive squares in 2 ways, for example, as 1868689 + 151321 = 1367^2 + 389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2019976 and 2020003.

It is not an unprimeable number, because it can be changed into a prime (2020019) 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, 100991 + ... + 101010.

22020010 is an apocalyptic number.

2020010 is a deficient number, since it is larger than the sum of its proper divisors (1616026).

2020010 is a wasteful number, since it uses less digits than its factorization.

2020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202008.

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

The square root of 2020010 is about 1421.2705583386. The cubic root of 2020010 is about 126.4108950845.

Adding to 2020010 its reverse (100202), we get a palindrome (2120212).

The spelling of 2020010 in words is "two million, twenty thousand, ten".

Divisors: 1 2 5 10 202001 404002 1010005 2020010