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20522213061260 = 2251026110653063
BaseRepresentation
bin1001010101010001100110…
…01110000011001010001100
32200122220102022110122110212
410222220303032003022030
510142213443020430020
6111351435144221552
74215452366553641
oct452506316031214
980586368418425
1020522213061260
1165a24702951a9
12237541376a8b8
13b5b30c461b31
1450d3cd643dc8
15258c6ab81cc5
hex12aa3338328c

20522213061260 has 12 divisors (see below), whose sum is σ = 43096647428688. Its totient is φ = 8208885224496.

The previous prime is 20522213061239. The next prime is 20522213061269. The reversal of 20522213061260 is 6216031222502.

It is a super-2 number, since 2×205222130612602 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20522213061269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513055326512 + ... + 513055326551.

It is an arithmetic number, because the mean of its divisors is an integer number (3591387285724).

Almost surely, 220522213061260 is an apocalyptic number.

20522213061260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20522213061260 is an abundant number, since it is smaller than the sum of its proper divisors (22574434367428).

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

20522213061260 is a wasteful number, since it uses less digits than its factorization.

20522213061260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026110653072 (or 1026110653070 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 20522213061260 its reverse (6216031222502), we get a palindrome (26738244283762).

The spelling of 20522213061260 in words is "twenty trillion, five hundred twenty-two billion, two hundred thirteen million, sixty-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 1026110653063 2052221306126 4104442612252 5130553265315 10261106530630 20522213061260