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220102201000 = 23531131719091
BaseRepresentation
bin1100110011111100011…
…1010000111010101000
3210001010022010022011101
43030333013100322220
512101232130413000
6245040310011144
721621223561003
oct3147707207250
9701108108141
10220102201000
1185387a55360
12367a7946ab4
13179a8c2b376
14a91dbac53a
155ad317be6a
hex333f1d0ea8

220102201000 has 256 divisors, whose sum is σ = 588218941440. Its totient is φ = 76356000000.

The previous prime is 220102200937. The next prime is 220102201003. The reversal of 220102201000 is 102201022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (220102201003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24206455 + ... + 24215545.

It is an arithmetic number, because the mean of its divisors is an integer number (2297730240).

Almost surely, 2220102201000 is an apocalyptic number.

220102201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220102201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294109470720).

220102201000 is an abundant number, since it is smaller than the sum of its proper divisors (368116740440).

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

220102201000 is a wasteful number, since it uses less digits than its factorization.

220102201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225 (or 9211 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220102201000 its reverse (102201022), we get a palindrome (220204402022).

It can be divided in two parts, 22010 and 2201000, that multiplied together give a square (48444010000 = 2201002).

The spelling of 220102201000 in words is "two hundred twenty billion, one hundred two million, two hundred one thousand".