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10003002020 = 22511197443521
BaseRepresentation
bin10010101000011100…
…11011001010100100
3221211010102011010022
421110032123022210
5130441232031040
64332331014312
7502612054124
oct112416331244
927733364108
1010003002020
114273485520
121b31b9a398
13c354cba0b
146ac704c84
153d82a26b5
hex25439b2a4

10003002020 has 96 divisors (see below), whose sum is σ = 23128592256. Its totient is φ = 3603891200.

The previous prime is 10003002001. The next prime is 10003002071. The reversal of 10003002020 is 2020030001.

It is a junction number, because it is equal to n+sod(n) for n = 10003001989 and 10003002007.

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, 19199360 + ... + 19199880.

It is an arithmetic number, because the mean of its divisors is an integer number (240922836).

Almost surely, 210003002020 is an apocalyptic number.

10003002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10003002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11564296128).

10003002020 is an abundant number, since it is smaller than the sum of its proper divisors (13125590236).

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

10003002020 is a wasteful number, since it uses less digits than its factorization.

10003002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 10003002020 its reverse (2020030001), we get a palindrome (12023032021).

The spelling of 10003002020 in words is "ten billion, three million, two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 197 220 394 443 521 788 886 985 1042 1772 1970 2084 2167 2215 2605 3940 4334 4430 4873 5210 5731 8668 8860 9746 10420 10835 11462 19492 21670 22924 24365 28655 43340 48730 57310 87271 97460 102637 114620 174542 205274 230803 349084 410548 436355 461606 513185 872710 923212 959981 1026370 1129007 1154015 1745420 1919962 2052740 2258014 2308030 2538833 3839924 4516028 4616060 4799905 5077666 5645035 9599810 10155332 11290070 12694165 19199620 22580140 25388330 45468191 50776660 90936382 181872764 227340955 454681910 500150101 909363820 1000300202 2000600404 2500750505 5001501010 10003002020