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10210110220 = 225782365257
BaseRepresentation
bin10011000001001000…
…11110101100001100
3222100120010100011101
421200210132230030
5131402242011340
64405050032444
7511005335122
oct114044365414
928316110141
1010210110220
11436a382a22
121b8b418724
13c693a454b
146cc017912
153eb562c9a
hex26091eb0c

10210110220 has 24 divisors (see below), whose sum is σ = 21444300864. Its totient is φ = 4083459456.

The previous prime is 10210110203. The next prime is 10210110241. The reversal of 10210110220 is 2201101201.

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 = 10210110197 and 10210110206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123832 + ... + 189088.

It is an arithmetic number, because the mean of its divisors is an integer number (893512536).

Almost surely, 210210110220 is an apocalyptic number.

10210110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210110220 is an abundant number, since it is smaller than the sum of its proper divisors (11234190644).

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

10210110220 is a wasteful number, since it uses less digits than its factorization.

10210110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73089 (or 73087 counting only the distinct ones).

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

Adding to 10210110220 its reverse (2201101201), we get a palindrome (12411211421).

The spelling of 10210110220 in words is "ten billion, two hundred ten million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 7823 15646 31292 39115 65257 78230 130514 156460 261028 326285 652570 1305140 510505511 1021011022 2042022044 2552527555 5105055110 10210110220