Search a number
-
+
2020213122 = 231779250709
BaseRepresentation
bin111100001101010…
…0000000110000010
312012210101110102020
41320122200012002
513114133304442
6532244102310
7101030346114
oct17032400602
95183343366
102020213122
119473a3024
12484694996
132627037a5
1415243b3b4
15bc5569ec
hex786a0182

2020213122 has 32 divisors (see below), whose sum is σ = 4332268800. Its totient is φ = 625767168.

The previous prime is 2020213103. The next prime is 2020213127. The reversal of 2020213122 is 2213120202.

It is a happy number.

It is a super-2 number, since 2×20202131222 = 8162522116601973768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2020213127) 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, 117297 + ... + 133412.

It is an arithmetic number, because the mean of its divisors is an integer number (135383400).

Almost surely, 22020213122 is an apocalyptic number.

2020213122 is an abundant number, since it is smaller than the sum of its proper divisors (2312055678).

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

2020213122 is a wasteful number, since it uses less digits than its factorization.

2020213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250810.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2020213122 is about 44946.7809970859. The cubic root of 2020213122 is about 1264.1513202278.

Adding to 2020213122 its reverse (2213120202), we get a palindrome (4233333324).

The spelling of 2020213122 in words is "two billion, twenty million, two hundred thirteen thousand, one hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 79 102 158 237 474 1343 2686 4029 8058 250709 501418 752127 1504254 4262053 8524106 12786159 19806011 25572318 39612022 59418033 118836066 336702187 673404374 1010106561 2020213122