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10331220020 = 2251161376607
BaseRepresentation
bin10011001111100100…
…11110100000110100
3222200000000100120112
421213302132200310
5132124243020040
64425053522152
7514005630662
oct114762364064
928600010515
1010331220020
114421782570
122003aa3358
13c884c9654
14700141c32
15406ed7365
hex267c9e834

10331220020 has 48 divisors (see below), whose sum is σ = 23706805248. Its totient is φ = 3750629760.

The previous prime is 10331220013. The next prime is 10331220047. The reversal of 10331220020 is 2002213301.

It is a happy number.

10331220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10331219977 and 10331220004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96557 + ... + 173163.

It is an arithmetic number, because the mean of its divisors is an integer number (493891776).

Almost surely, 210331220020 is an apocalyptic number.

10331220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10331220020 is an abundant number, since it is smaller than the sum of its proper divisors (13375585228).

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

10331220020 is a wasteful number, since it uses less digits than its factorization.

10331220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77240 (or 77238 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10331220020 its reverse (2002213301), we get a palindrome (12333433321).

The spelling of 10331220020 in words is "ten billion, three hundred thirty-one million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 613 1226 2452 3065 6130 6743 12260 13486 26972 33715 67430 76607 134860 153214 306428 383035 766070 842677 1532140 1685354 3370708 4213385 8426770 16853540 46960091 93920182 187840364 234800455 469600910 516561001 939201820 1033122002 2066244004 2582805005 5165610010 10331220020