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20416002345560 = 2351926863160981
BaseRepresentation
bin1001010010001011110001…
…00100010100101001011000
32200021202021022021020221202
410221011320210110221120
510133443433100024220
6111230552040053332
74205002366432403
oct451057044245130
980252238236852
1020416002345560
116561418097508
122358911a64248
13b512b4019ab3
145081d5802d3a
1525610158a275
hex129178914a58

20416002345560 has 32 divisors (see below), whose sum is σ = 48353689767600. Its totient is φ = 7736590362240.

The previous prime is 20416002345533. The next prime is 20416002345569. The reversal of 20416002345560 is 6554320061402.

It is a super-2 number, since 2×204160023455602 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416002345569) 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, 13431579731 + ... + 13431581250.

Almost surely, 220416002345560 is an apocalyptic number.

20416002345560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20416002345560 is an abundant number, since it is smaller than the sum of its proper divisors (27937687422040).

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

20416002345560 is a wasteful number, since it uses less digits than its factorization.

20416002345560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26863161011 (or 26863161007 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 20416002345560 in words is "twenty trillion, four hundred sixteen billion, two million, three hundred forty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 26863160981 53726321962 107452643924 134315804905 214905287848 268631609810 510400058639 537263219620 1020800117278 1074526439240 2041600234556 2552000293195 4083200469112 5104000586390 10208001172780 20416002345560