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10331230220 = 22518127710303
BaseRepresentation
bin10011001111100101…
…00001000000001100
3222200000000212120022
421213302201000030
5132124243331340
64425054041312
7514006002503
oct114762410014
928600025508
1010331230220
11442178a1a3
122003aa9238
13c8850119c
1470014583a
15406eda3b5
hex267ca100c

10331230220 has 48 divisors (see below), whose sum is σ = 21896329728. Its totient is φ = 4094426880.

The previous prime is 10331230219. The next prime is 10331230237. The reversal of 10331230220 is 2203213301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997589 + ... + 1007891.

It is an arithmetic number, because the mean of its divisors is an integer number (456173536).

Almost surely, 210331230220 is an apocalyptic number.

10331230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10331230220 is an abundant number, since it is smaller than the sum of its proper divisors (11565099508).

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

10331230220 is a wasteful number, since it uses less digits than its factorization.

10331230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10770 (or 10768 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10331230220 its reverse (2203213301), we get a palindrome (12534443521).

The spelling of 10331230220 in words is "ten billion, three hundred thirty-one million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 181 277 362 554 724 905 1108 1385 1810 2770 3620 5540 10303 20606 41212 50137 51515 100274 103030 200548 206060 250685 501370 1002740 1864843 2853931 3729686 5707862 7459372 9324215 11415724 14269655 18648430 28539310 37296860 57078620 516561511 1033123022 2066246044 2582807555 5165615110 10331230220