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10265022020 = 2251173639167
BaseRepresentation
bin10011000111101011…
…11100111001000100
3222111101110010222202
421203311330321010
5132010321201040
64414331014032
7512243150621
oct114365747104
928441403882
1010265022020
114398378a80
121ba589a318
13c7788c536
146d542d348
154012ad015
hex263d7ce44

10265022020 has 48 divisors (see below), whose sum is σ = 23838409728. Its totient is φ = 3681596160.

The previous prime is 10265021983. The next prime is 10265022029. The reversal of 10265022020 is 2022056201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10265021983 and 10265022001.

It is not an unprimeable number, because it can be changed into a prime (10265022029) 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, 303524 + ... + 335643.

It is an arithmetic number, because the mean of its divisors is an integer number (496633536).

Almost surely, 210265022020 is an apocalyptic number.

10265022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10265022020 is an abundant number, since it is smaller than the sum of its proper divisors (13573387708).

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

10265022020 is a wasteful number, since it uses less digits than its factorization.

10265022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639260 (or 639258 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 10265022020 its reverse (2022056201), we get a palindrome (12287078221).

The spelling of 10265022020 in words is "ten billion, two hundred sixty-five million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 73 110 146 220 292 365 730 803 1460 1606 3212 4015 8030 16060 639167 1278334 2556668 3195835 6391670 7030837 12783340 14061674 28123348 35154185 46659191 70308370 93318382 140616740 186636764 233295955 466591910 513251101 933183820 1026502202 2053004404 2566255505 5132511010 10265022020