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10233021220 = 225677636583
BaseRepresentation
bin10011000011110111…
…11000001100100100
3222102011020100010221
421201323320030210
5131424123134340
64411225054124
7511404150052
oct114173701444
928364210127
1010233021220
114381301334
121b97027344
13c71066956
146d109d1d2
153ed58b44a
hex261ef8324

10233021220 has 24 divisors (see below), whose sum is σ = 21810083904. Its totient is φ = 4032115296.

The previous prime is 10233021209. The next prime is 10233021221. The reversal of 10233021220 is 2212033201.

It is a junction number, because it is equal to n+sod(n) for n = 10233021194 and 10233021203.

It is not an unprimeable number, because it can be changed into a prime (10233021221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816952 + ... + 3819631.

It is an arithmetic number, because the mean of its divisors is an integer number (908753496).

Almost surely, 210233021220 is an apocalyptic number.

10233021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10233021220 is an abundant number, since it is smaller than the sum of its proper divisors (11577062684).

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

10233021220 is a wasteful number, since it uses less digits than its factorization.

10233021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636659 (or 7636657 counting only the distinct ones).

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

Adding to 10233021220 its reverse (2212033201), we get a palindrome (12445054421).

The spelling of 10233021220 in words is "ten billion, two hundred thirty-three million, twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 7636583 15273166 30546332 38182915 76365830 152731660 511651061 1023302122 2046604244 2558255305 5116510610 10233021220