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20674353525000 = 233557417691249
BaseRepresentation
bin1001011001101100111110…
…11111110111000100001000
32201012110010020120222121020
410230312133133313010020
510202212034000300000
6111545400014312440
74232446516301160
oct454663737670410
981173106528536
1020674353525000
116650a4264944a
12239a9b31b8720
13b6c7772c8a86
145169033b55a0
1525cbc261cba0
hex12cd9f7f7108

20674353525000 has 768 divisors, whose sum is σ = 75792024000000. Its totient is φ = 4600627200000.

The previous prime is 20674353524969. The next prime is 20674353525037. The reversal of 20674353525000 is 52535347602.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16552724376 + ... + 16552725624.

It is an arithmetic number, because the mean of its divisors is an integer number (98687531250).

Almost surely, 220674353525000 is an apocalyptic number.

20674353525000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20674353525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37896012000000).

20674353525000 is an abundant number, since it is smaller than the sum of its proper divisors (55117670475000).

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

20674353525000 is a wasteful number, since it uses less digits than its factorization.

20674353525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2076 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 42.

The spelling of 20674353525000 in words is "twenty trillion, six hundred seventy-four billion, three hundred fifty-three million, five hundred twenty-five thousand".