Search a number
-
+
2020121220122 = 229557166737511
BaseRepresentation
bin11101011001011000100…
…110111001010000011010
321011010021201110201221222
4131121120212321100122
5231044202013020442
64144010400332042
7265643326024265
oct35313046712032
97133251421858
102020121220122
11709801845325
1228761a614022
1311865c0a2395
146dabaccbcdc
15378346e08d2
hex1d6589b941a

2020121220122 has 32 divisors (see below), whose sum is σ = 3142266203520. Its totient is φ = 972870162880.

The previous prime is 2020121220109. The next prime is 2020121220191. The reversal of 2020121220122 is 2210221210202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020121220122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53835347 + ... + 53872857.

It is an arithmetic number, because the mean of its divisors is an integer number (98195818860).

Almost surely, 22020121220122 is an apocalyptic number.

2020121220122 is a deficient number, since it is larger than the sum of its proper divisors (1122144983398).

2020121220122 is a wasteful number, since it uses less digits than its factorization.

2020121220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39766.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2020121220122 its reverse (2210221210202), we get a palindrome (4230342430324).

The spelling of 2020121220122 in words is "two trillion, twenty billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 29 58 557 1114 1667 3334 16153 32306 37511 48343 75022 96686 928519 1087819 1857038 2175638 20893627 26927051 41787254 53854102 62530837 125061674 605915183 1211830366 1813394273 3626788546 34829676209 69659352418 1010060610061 2020121220122