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20422430076352 = 261721418767219
BaseRepresentation
bin1001010010010111101111…
…01100001010110111000000
32200022100212021011210222011
410221023313230022313000
510134100114044420402
6111233533532422304
74205320566310333
oct451136754126700
980270767153864
1020422430076352
116564116403817
12235a006617994
13b51a998b62b5
1450864535461a
1525637aa12ed7
hex1292f7b0adc0

20422430076352 has 56 divisors (see below), whose sum is σ = 42929674658640. Its totient is φ = 9606065418240.

The previous prime is 20422430076337. The next prime is 20422430076371. The reversal of 20422430076352 is 25367003422402.

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, 2054202 + ... + 6713017.

It is an arithmetic number, because the mean of its divisors is an integer number (766601333190).

Almost surely, 220422430076352 is an apocalyptic number.

It is an amenable number.

20422430076352 is an abundant number, since it is smaller than the sum of its proper divisors (22507244582288).

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

20422430076352 is a wasteful number, since it uses less digits than its factorization.

20422430076352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8769389 (or 8769379 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 40.

Adding to 20422430076352 its reverse (25367003422402), we get a palindrome (45789433498754).

The spelling of 20422430076352 in words is "twenty trillion, four hundred twenty-two billion, four hundred thirty million, seventy-six thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 2141 4282 8564 17128 34256 36397 68512 72794 137024 145588 291176 582352 1164704 2329408 8767219 17534438 35068876 70137752 140275504 149042723 280551008 298085446 561102016 596170892 1192341784 2384683568 4769367136 9538734272 18770615879 37541231758 75082463516 150164927032 300329854064 319100469943 600659708128 638200939886 1201319416256 1276401879772 2552803759544 5105607519088 10211215038176 20422430076352