Search a number
-
+
2122011020020 = 225226531468371
BaseRepresentation
bin11110111000010001101…
…101101000101011110100
321111212021121002212022111
4132320101231220223310
5234231334310120040
64302501032340404
7306211261030423
oct36702155505364
97455247085274
102122011020020
11748a3799a021
122a3315244704
131251492839c8
14749c4d1d2ba
153a2e97c0dea
hex1ee11b68af4

2122011020020 has 24 divisors (see below), whose sum is σ = 4456252327968. Its totient is φ = 848798848800.

The previous prime is 2122011019967. The next prime is 2122011020069. The reversal of 2122011020020 is 200201102212.

It is a happy number.

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, 4296435 + ... + 4764805.

It is an arithmetic number, because the mean of its divisors is an integer number (185677180332).

Almost surely, 22122011020020 is an apocalyptic number.

2122011020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122011020020 is an abundant number, since it is smaller than the sum of its proper divisors (2334241307948).

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

2122011020020 is a wasteful number, since it uses less digits than its factorization.

2122011020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694911 (or 694909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2122011020020 its reverse (200201102212), we get a palindrome (2322212122232).

The spelling of 2122011020020 in words is "two trillion, one hundred twenty-two billion, eleven million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 226531 453062 468371 906124 936742 1132655 1873484 2265310 2341855 4530620 4683710 9367420 106100551001 212201102002 424402204004 530502755005 1061005510010 2122011020020