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2020422 = 231937479
BaseRepresentation
bin111101101010001000110
310210122111110
413231101012
51004123142
6111145450
723113305
oct7552106
93718443
102020422
11115aa78
12815286
13559821
143a843c
1529d99c
hex1ed446

2020422 has 32 divisors (see below), whose sum is σ = 4377600. Its totient is φ = 619488.

The previous prime is 2020411. The next prime is 2020423. The reversal of 2020422 is 2240202.

Adding to 2020422 its reverse (2240202), we get a palindrome (4260624).

It can be divided in two parts, 2020 and 422, that added together give a palindrome (2442).

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2020398 and 2020407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3979 + ... + 4457.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

22020422 is an apocalyptic number.

2020422 is an abundant number, since it is smaller than the sum of its proper divisors (2357178).

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

2020422 is a wasteful number, since it uses less digits than its factorization.

2020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2020422 is about 1421.4154916843. The cubic root of 2020422 is about 126.4194887298.

The spelling of 2020422 in words is "two million, twenty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 479 703 958 1406 1437 2109 2874 4218 9101 17723 18202 27303 35446 53169 54606 106338 336737 673474 1010211 2020422