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10200223020 = 22351313077209
BaseRepresentation
bin10010111111111101…
…10000110100101100
3222022212112000110210
421133332300310230
5131342224114040
64404054102420
7510525315351
oct113776606454
928285460423
1010200223020
11436483a589
121b8804aa10
13c67322130
146ca9a2628
153ea75d480
hex25ffb0d2c

10200223020 has 48 divisors (see below), whose sum is σ = 30757597920. Its totient is φ = 2510823936.

The previous prime is 10200222997. The next prime is 10200223021. The reversal of 10200223020 is 2032200201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10200222987 and 10200223005.

It is not an unprimeable number, because it can be changed into a prime (10200223021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6537825 + ... + 6539384.

It is an arithmetic number, because the mean of its divisors is an integer number (640783290).

Almost surely, 210200223020 is an apocalyptic number.

10200223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200223020 is an abundant number, since it is smaller than the sum of its proper divisors (20557374900).

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

10200223020 is a wasteful number, since it uses less digits than its factorization.

10200223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13077234 (or 13077232 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 10200223020 its reverse (2032200201), we get a palindrome (12232423221).

The spelling of 10200223020 in words is "ten billion, two hundred million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 13077209 26154418 39231627 52308836 65386045 78463254 130772090 156926508 170003717 196158135 261544180 340007434 392316270 510011151 680014868 784632540 850018585 1020022302 1700037170 2040044604 2550055755 3400074340 5100111510 10200223020