Search a number
-
+
20220021190 = 252969724211
BaseRepresentation
bin10010110101001101…
…010000100111000110
31221012011112111120201
4102311031100213012
5312402311134230
613142225121114
71314033226045
oct226515204706
957164474521
1020220021190
118636747216
123b0378919a
131ba3151ba5
14d9b5da55c
157d522c5ca
hex4b53509c6

20220021190 has 16 divisors (see below), whose sum is σ = 37651074480. Its totient is φ = 7809111520.

The previous prime is 20220021167. The next prime is 20220021271. The reversal of 20220021190 is 9112002202.

It is a super-2 number, since 2×202200211902 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 34861816 + ... + 34862395.

It is an arithmetic number, because the mean of its divisors is an integer number (2353192155).

Almost surely, 220220021190 is an apocalyptic number.

20220021190 is a deficient number, since it is larger than the sum of its proper divisors (17431053290).

20220021190 is a wasteful number, since it uses less digits than its factorization.

20220021190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69724247.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20220021190 its reverse (9112002202), we get a palindrome (29332023392).

The spelling of 20220021190 in words is "twenty billion, two hundred twenty million, twenty-one thousand, one hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 69724211 139448422 348621055 697242110 2022002119 4044004238 10110010595 20220021190