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10331220220 = 22510719492477
BaseRepresentation
bin10011001111100100…
…11110100011111100
3222200000000100211221
421213302132203330
5132124243021340
64425053523124
7514005631366
oct114762364374
928600010757
1010331220220
114421782732
122003aa34a4
13c884c9779
14700141d36
15406ed744a
hex267c9e8fc

10331220220 has 48 divisors (see below), whose sum is σ = 21918405600. Its totient is φ = 4090114304.

The previous prime is 10331220203. The next prime is 10331220269. The reversal of 10331220220 is 2202213301.

It is a super-2 number, since 2×103312202202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10331220194 and 10331220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4169622 + ... + 4172098.

It is an arithmetic number, because the mean of its divisors is an integer number (456633450).

Almost surely, 210331220220 is an apocalyptic number.

10331220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10331220220 is an abundant number, since it is smaller than the sum of its proper divisors (11587185380).

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

10331220220 is a wasteful number, since it uses less digits than its factorization.

10331220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542 (or 4540 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10331220220 its reverse (2202213301), we get a palindrome (12533433521).

The spelling of 10331220220 in words is "ten billion, three hundred thirty-one million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 1949 2140 2477 3898 4954 7796 9745 9908 12385 19490 24770 38980 49540 208543 265039 417086 530078 834172 1042715 1060156 1325195 2085430 2650390 4170860 4827673 5300780 9655346 19310692 24138365 48276730 96553460 516561011 1033122022 2066244044 2582805055 5165610110 10331220220