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10201112233220 = 22510130697164513
BaseRepresentation
bin1001010001110010000110…
…1010111100010100000100
31100010012212001101020110202
42110130201222330110010
52314113334212430340
633410154250110032
72102002033204616
oct224344152742404
940105761336422
1010201112233220
1132832a3a05527
121189063a1b318
1358cc64a1c55c
14273a44c14db6
1512a54ad67c15
hex94721abc504

10201112233220 has 48 divisors (see below), whose sum is σ = 21635274307248. Its totient is φ = 4039888281600.

The previous prime is 10201112233199. The next prime is 10201112233223. The reversal of 10201112233220 is 2233221110201.

It can be written as a sum of positive squares in 8 ways, for example, as 576238882816 + 9624873350404 = 759104^2 + 3102398^2 .

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 = 10201112233192 and 10201112233201.

It is not an unprimeable number, because it can be changed into a prime (10201112233223) 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, 61925684 + ... + 62090196.

It is an arithmetic number, because the mean of its divisors is an integer number (450734881401).

Almost surely, 210201112233220 is an apocalyptic number.

10201112233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201112233220 is an abundant number, since it is smaller than the sum of its proper divisors (11434162074028).

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

10201112233220 is a wasteful number, since it uses less digits than its factorization.

10201112233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195320 (or 195318 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10201112233220 its reverse (2233221110201), we get a palindrome (12434333343421).

The spelling of 10201112233220 in words is "ten trillion, two hundred one billion, one hundred twelve million, two hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 30697 61394 122788 153485 164513 306970 329026 613940 658052 822565 1645130 3100397 3290260 6200794 12401588 15501985 16615813 31003970 33231626 62007940 66463252 83079065 166158130 332316260 5050055561 10100111122 20200222244 25250277805 50500555610 101001111220 510055611661 1020111223322 2040222446644 2550278058305 5100556116610 10201112233220