Search a number
-
+
20121202022 = 21011311814201
BaseRepresentation
bin10010101111010100…
…010010110101100110
31220221021120222011112
4102233110102311212
5312202011431042
613124335105022
71311423252365
oct225724226546
956837528145
1020121202022
118595991989
123a96672172
131b888329cc
14d8c4357dc
157cb70c982
hex4af512d66

20121202022 has 32 divisors (see below), whose sum is σ = 30890347488. Its totient is φ = 9828000000.

The previous prime is 20121202001. The next prime is 20121202039. The reversal of 20121202022 is 22020212102.

It is a junction number, because it is equal to n+sod(n) for n = 20121201988 and 20121202006.

It is a congruent number.

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, 4787522 + ... + 4791722.

It is an arithmetic number, because the mean of its divisors is an integer number (965323359).

Almost surely, 220121202022 is an apocalyptic number.

20121202022 is a deficient number, since it is larger than the sum of its proper divisors (10769145466).

20121202022 is a wasteful number, since it uses less digits than its factorization.

20121202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20121202022 its reverse (22020212102), we get a palindrome (42141414124).

The spelling of 20121202022 in words is "twenty billion, one hundred twenty-one million, two hundred two thousand, twenty-two".

Divisors: 1 2 101 131 181 202 262 362 4201 8402 13231 18281 23711 26462 36562 47422 424301 550331 760381 848602 1100662 1520762 2394811 4789622 55583431 76798481 99609911 111166862 153596962 199219822 10060601011 20121202022