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10110221020 = 22523912291721
BaseRepresentation
bin10010110101001110…
…11011101011011100
3222002121011102221101
421122213123223130
5131201204033040
64351121042444
7505353314014
oct113247335334
928077142841
1010110221020
114318a57769
121b61a86424
13c5179c303
146bca54c44
153e28d109a
hex25a9dbadc

10110221020 has 48 divisors (see below), whose sum is σ = 21350044800. Its totient is φ = 4021552640.

The previous prime is 10110221003. The next prime is 10110221027. The reversal of 10110221020 is 2012201101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10110220988 and 10110221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110221027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5873760 + ... + 5875480.

It is an arithmetic number, because the mean of its divisors is an integer number (444792600).

Almost surely, 210110221020 is an apocalyptic number.

10110221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110221020 is an abundant number, since it is smaller than the sum of its proper divisors (11239823780).

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

10110221020 is a wasteful number, since it uses less digits than its factorization.

10110221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198 (or 3196 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10110221020 its reverse (2012201101), we get a palindrome (12122422121).

The spelling of 10110221020 in words is "ten billion, one hundred ten million, two hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 1229 1721 2390 2458 3442 4780 4916 6145 6884 8605 12290 17210 24580 34420 293731 411319 587462 822638 1174924 1468655 1645276 2056595 2115109 2937310 4113190 4230218 5874620 8226380 8460436 10575545 21151090 42302180 505511051 1011022102 2022044204 2527555255 5055110510 10110221020