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20620224324 = 22337171604437
BaseRepresentation
bin10011001101000011…
…111010011101000100
31222020001120221002000
4103031003322131010
5314212234134244
613250042545300
71326663005040
oct231503723504
958201527060
1020620224324
118821640807
123bb5808230
131c38034a8b
14dd8815020
1580a431169
hex4cd0fa744

20620224324 has 96 divisors (see below), whose sum is σ = 64690940160. Its totient is φ = 5544930816.

The previous prime is 20620224323. The next prime is 20620224353. The reversal of 20620224324 is 42342202602.

It is a happy number.

20620224324 is a `hidden beast` number, since 2 + 0 + 620 + 2 + 2 + 4 + 32 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20620224323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789367 + ... + 815070.

It is an arithmetic number, because the mean of its divisors is an integer number (673863960).

Almost surely, 220620224324 is an apocalyptic number.

It is an amenable number.

20620224324 is an abundant number, since it is smaller than the sum of its proper divisors (44070715836).

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

20620224324 is a wasteful number, since it uses less digits than its factorization.

20620224324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604474 (or 1604466 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20620224324 its reverse (42342202602), we get a palindrome (62962426926).

The spelling of 20620224324 in words is "twenty billion, six hundred twenty million, two hundred twenty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 51 54 63 68 84 102 108 119 126 153 189 204 238 252 306 357 378 459 476 612 714 756 918 1071 1428 1836 2142 3213 4284 6426 12852 1604437 3208874 4813311 6417748 9626622 11231059 14439933 19253244 22462118 27275429 28879866 33693177 43319799 44924236 54550858 57759732 67386354 81826287 86639598 101079531 109101716 134772708 163652574 173279196 190928003 202159062 245478861 303238593 327305148 381856006 404318124 490957722 572784009 606477186 736436583 763712012 981915444 1145568018 1212954372 1472873166 1718352027 2291136036 2945746332 3436704054 5155056081 6873408108 10310112162 20620224324