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10002012102020 = 225171913111819077
BaseRepresentation
bin1001000110001100011001…
…1000001101110110000100
31022102011221102100121220102
42101203012120031312010
52302333110044231040
633134505543223232
72051423120052041
oct221430630156604
938364842317812
1010002012102020
113206914097054
121156559747b18
13577254c7c133
142681584581c8
151252968e6515
hex918c660dd84

10002012102020 has 96 divisors (see below), whose sum is σ = 23588988635520. Its totient is φ = 3540049643520.

The previous prime is 10002012102011. The next prime is 10002012102031. The reversal of 10002012102020 is 2020121020001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10002012101992 and 10002012102010.

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, 5063279 + ... + 6755798.

It is an arithmetic number, because the mean of its divisors is an integer number (245718631620).

Almost surely, 210002012102020 is an apocalyptic number.

10002012102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002012102020 is an abundant number, since it is smaller than the sum of its proper divisors (13586976533500).

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

10002012102020 is a wasteful number, since it uses less digits than its factorization.

10002012102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819253 (or 11819251 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10002012102020 its reverse (2020121020001), we get a palindrome (12022133122021).

The spelling of 10002012102020 in words is "ten trillion, two billion, twelve million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 131 170 190 262 323 340 380 524 646 655 1292 1310 1615 2227 2489 2620 3230 4454 4978 6460 8908 9956 11135 12445 22270 24890 42313 44540 49780 84626 169252 211565 423130 846260 11819077 23638154 47276308 59095385 118190770 200924309 224562463 236381540 401848618 449124926 803697236 898249852 1004621545 1122812315 1548299087 2009243090 2245624630 3096598174 3817561871 4018486180 4491249260 6193196348 7635123742 7741495435 15270247484 15482990870 19087809355 26321084479 29417682653 30965981740 38175618710 52642168958 58835365306 76351237420 105284337916 117670730612 131605422395 147088413265 263210844790 294176826530 500100605101 526421689580 588353653060 1000201210202 2000402420404 2500503025505 5001006051010 10002012102020