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10220032220 = 225511001611
BaseRepresentation
bin10011000010010100…
…10101000011011100
3222101020210102120212
421201022111003130
5131412312012340
64410042431552
7511155561206
oct114112250334
928336712525
1010220032220
114374a3a522
121b928025b8
13c6b469758
146cd47b776
153ec372a65
hex2612950dc

10220032220 has 12 divisors (see below), whose sum is σ = 21462067704. Its totient is φ = 4088012880.

The previous prime is 10220032211. The next prime is 10220032223. The reversal of 10220032220 is 2223002201.

It is a junction number, because it is equal to n+sod(n) for n = 10220032195 and 10220032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220032223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255500786 + ... + 255500825.

It is an arithmetic number, because the mean of its divisors is an integer number (1788505642).

Almost surely, 210220032220 is an apocalyptic number.

10220032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220032220 is an abundant number, since it is smaller than the sum of its proper divisors (11242035484).

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

10220032220 is a wasteful number, since it uses less digits than its factorization.

10220032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511001620 (or 511001618 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 10220032220 its reverse (2223002201), we get a palindrome (12443034421).

The spelling of 10220032220 in words is "ten billion, two hundred twenty million, thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 511001611 1022003222 2044006444 2555008055 5110016110 10220032220