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10010212020 = 22325208726647
BaseRepresentation
bin10010101001010011…
…11011011010110100
3221211121222110101100
421110221323122310
5131000103241040
64333145330100
7503030253414
oct112451733264
927747873340
1010010212020
11427755a4a6
121b34496930
13c36b546a3
146ad660644
153d8c28b30
hex254a7b6b4

10010212020 has 72 divisors (see below), whose sum is σ = 30379999104. Its totient is φ = 2668010688.

The previous prime is 10010212013. The next prime is 10010212061. The reversal of 10010212020 is 2021201001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10010211993 and 10010212011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362337 + ... + 388983.

It is an arithmetic number, because the mean of its divisors is an integer number (421944432).

Almost surely, 210010212020 is an apocalyptic number.

10010212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010212020 is an abundant number, since it is smaller than the sum of its proper divisors (20369787084).

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

10010212020 is a wasteful number, since it uses less digits than its factorization.

10010212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28749 (or 28744 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10010212020 its reverse (2021201001), we get a palindrome (12031413021).

The spelling of 10010212020 in words is "ten billion, ten million, two hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2087 4174 6261 8348 10435 12522 18783 20870 25044 26647 31305 37566 41740 53294 62610 75132 79941 93915 106588 125220 133235 159882 187830 239823 266470 319764 375660 399705 479646 532940 799410 959292 1199115 1598820 2398230 4796460 55612289 111224578 166836867 222449156 278061445 333673734 500510601 556122890 667347468 834184335 1001021202 1112245780 1668368670 2002042404 2502553005 3336737340 5005106010 10010212020