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20013333024 = 253223934853
BaseRepresentation
bin10010101000111000…
…110011101000100000
31220122202121122201110
4102220320303220200
5311441403124044
613105523103320
71305643344456
oct225070635040
956582548643
1020013333024
118540006353
123a66511b40
131b6c3955b9
14d7bd969d6
157c20016b9
hex4a8e33a20

20013333024 has 48 divisors (see below), whose sum is σ = 52770638592. Its totient is φ = 6641188608.

The previous prime is 20013333017. The next prime is 20013333029. The reversal of 20013333024 is 42033331002.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (20013333029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446019 + ... + 488834.

It is an arithmetic number, because the mean of its divisors is an integer number (1099388304).

Almost surely, 220013333024 is an apocalyptic number.

20013333024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20013333024 is an abundant number, since it is smaller than the sum of its proper divisors (32757305568).

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

20013333024 is a wasteful number, since it uses less digits than its factorization.

20013333024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935089 (or 935081 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20013333024 its reverse (42033331002), we get a palindrome (62046664026).

The spelling of 20013333024 in words is "twenty billion, thirteen million, three hundred thirty-three thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 223 446 669 892 1338 1784 2676 3568 5352 7136 10704 21408 934853 1869706 2804559 3739412 5609118 7478824 11218236 14957648 22436472 29915296 44872944 89745888 208472219 416944438 625416657 833888876 1250833314 1667777752 2501666628 3335555504 5003333256 6671111008 10006666512 20013333024