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20020684437712 = 247321767167597
BaseRepresentation
bin1001000110101011011011…
…10010001011100011010000
32121212221212220212210221101
410203111231302023203100
510111004330204001322
6110325213033234144
74134306136603000
oct443255562134320
977787786783841
1020020684437712
1164197a7477262
1222b4186862954
13b22c3370c4aa
144d30133ca000
1524abb5c4d327
hex12356dc8b8d0

20020684437712 has 80 divisors (see below), whose sum is σ = 45238588473600. Its totient is φ = 8579847948672.

The previous prime is 20020684437631. The next prime is 20020684437731. The reversal of 20020684437712 is 21773448602002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119373498 + ... + 119541094.

It is an arithmetic number, because the mean of its divisors is an integer number (565482355920).

Almost surely, 220020684437712 is an apocalyptic number.

It is an amenable number.

20020684437712 is an abundant number, since it is smaller than the sum of its proper divisors (25217904035888).

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

20020684437712 is a wasteful number, since it uses less digits than its factorization.

20020684437712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189393 (or 189373 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 20020684437712 in words is "twenty trillion, twenty billion, six hundred eighty-four million, four hundred thirty-seven thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 343 392 686 784 1372 2744 5488 21767 43534 87068 152369 167597 174136 304738 335194 348272 609476 670388 1066583 1173179 1218952 1340776 2133166 2346358 2437904 2681552 4266332 4692716 7466081 8212253 8532664 9385432 14932162 16424506 17065328 18770864 29864324 32849012 57485771 59728648 65698024 114971542 119457296 131396048 229943084 459886168 919772336 3648083899 7296167798 14592335596 25536587293 29184671192 51073174586 58369342384 102146349172 178756111051 204292698344 357512222102 408585396688 715024444204 1251292777357 1430048888408 2502585554714 2860097776816 5005171109428 10010342218856 20020684437712