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20244442004020 = 225131916889242647
BaseRepresentation
bin1001001101001100001101…
…10001100011101000110100
32122200100102222012220122001
410212212012301203220310
510123141104123112040
6111020100202345044
74156420100540503
oct446460661435064
978610388186561
1020244442004020
1164a568a815683
12232b6127bb184
13b3b072a341c0
144ddb9c83a83a
1525190ec7659a
hex126986c63a34

20244442004020 has 96 divisors (see below), whose sum is σ = 48196298707200. Its totient is φ = 7081008159744.

The previous prime is 20244442004011. The next prime is 20244442004041. The reversal of 20244442004020 is 2040024444202.

It is a self number, because there is not a number n which added to its sum of digits gives 20244442004020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83310337 + ... + 83552983.

It is an arithmetic number, because the mean of its divisors is an integer number (502044778200).

Almost surely, 220244442004020 is an apocalyptic number.

20244442004020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244442004020 is an abundant number, since it is smaller than the sum of its proper divisors (27951856703180).

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

20244442004020 is a wasteful number, since it uses less digits than its factorization.

20244442004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259577 (or 259575 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20244442004020 its reverse (2040024444202), we get a palindrome (22284466448222).

The spelling of 20244442004020 in words is "twenty trillion, two hundred forty-four billion, four hundred forty-two million, four thousand, twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 16889 33778 67556 84445 168890 219557 242647 320891 337780 439114 485294 641782 878228 970588 1097785 1213235 1283564 1604455 2195570 2426470 3154411 3208910 4171583 4391140 4610293 4852940 6308822 6417820 8343166 9220586 12617644 15772055 16686332 18441172 20857915 23051465 31544110 41715830 46102930 59933809 63088220 83431660 92205860 119867618 239735236 299669045 599338090 1198676180 4098065183 8196130366 16392260732 20490325915 40980651830 53274847379 77863238477 81961303660 106549694758 155726476954 213099389516 266374236895 311452953908 389316192385 532748473790 778632384770 1012222100201 1065496947580 1557264769540 2024444200402 4048888400804 5061110501005 10122221002010 20244442004020