Search a number
-
+
2020222012221 = 327532411250949
BaseRepresentation
bin11101011001011110100…
…111011000101100111101
321011010112202010111201200
4131121132213120230331
5231044403313342341
64144024400530113
7265645661525640
oct35313647305475
97133482114650
102020222012221
11709853727986
12287648320939
13118676c3258a
146daca447a57
153783d49edb6
hex1d65e9d8b3d

2020222012221 has 48 divisors (see below), whose sum is σ = 3399316502400. Its totient is φ = 1132156920960.

The previous prime is 2020222012219. The next prime is 2020222012273. The reversal of 2020222012221 is 1222102220202.

2020222012221 is a `hidden beast` number, since 20 + 202 + 220 + 1 + 2 + 221 = 666.

It is not a de Polignac number, because 2020222012221 - 21 = 2020222012219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020222012194 and 2020222012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020222012421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7924855 + ... + 8175803.

It is an arithmetic number, because the mean of its divisors is an integer number (70819093800).

Almost surely, 22020222012221 is an apocalyptic number.

2020222012221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2020222012221 is a deficient number, since it is larger than the sum of its proper divisors (1379094490179).

2020222012221 is a wasteful number, since it uses less digits than its factorization.

2020222012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253426 (or 253423 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2020222012221 its reverse (1222102220202), we get a palindrome (3242324232423).

The spelling of 2020222012221 in words is "two trillion, twenty billion, two hundred twenty-two million, twelve thousand, two hundred twenty-one".

Divisors: 1 3 7 9 21 53 63 159 371 477 1113 2411 3339 7233 16877 21699 50631 127783 151893 250949 383349 752847 894481 1150047 1756643 2258541 2683443 5269929 8050329 13300297 15809787 39900891 93102079 119702673 279306237 605038039 837918711 1815114117 4235266273 5445342351 12705798819 32067016067 38117396457 96201048201 224469112469 288603144603 673407337407 2020222012221