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20537601741740 = 22519113478286021
BaseRepresentation
bin1001010101101110010000…
…11101001101001110101100
32200201101010202222121112202
410222313020131031032230
510142442002021213430
6111402502145121032
74216535626311416
oct452671035151654
980641122877482
1020537601741740
1165a8a47850656
1223783a9329178
13b5c8c2688125
1451004d3239b6
1525936bb70d45
hex12adc874d3ac

20537601741740 has 48 divisors (see below), whose sum is σ = 45800669466720. Its totient is φ = 7713796930560.

The previous prime is 20537601741673. The next prime is 20537601741781. The reversal of 20537601741740 is 4714710673502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239100071 + ... + 239185950.

It is an arithmetic number, because the mean of its divisors is an integer number (954180613890).

Almost surely, 220537601741740 is an apocalyptic number.

20537601741740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20537601741740 is an abundant number, since it is smaller than the sum of its proper divisors (25263067724980).

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

20537601741740 is a wasteful number, since it uses less digits than its factorization.

20537601741740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478286162 (or 478286160 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 20537601741740 in words is "twenty trillion, five hundred thirty-seven billion, six hundred one million, seven hundred forty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 113 190 226 380 452 565 1130 2147 2260 4294 8588 10735 21470 42940 478286021 956572042 1913144084 2391430105 4782860210 9087434399 9565720420 18174868798 36349737596 45437171995 54046320373 90874343990 108092640746 181748687980 216185281492 270231601865 540463203730 1026880087087 1080926407460 2053760174174 4107520348348 5134400435435 10268800870870 20537601741740