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10020221200 = 24521143211251
BaseRepresentation
bin10010101010100000…
…00111000100010000
3221212022210222101201
421111100013010100
5131010134034300
64334144040544
7503211321613
oct112520070420
927768728351
1010020221200
114282176550
121b37903154
13c38c4a492
146b0b0817a
153d9a5466a
hex255407110

10020221200 has 240 divisors, whose sum is σ = 27107764992. Its totient is φ = 3528000000.

The previous prime is 10020221191. The next prime is 10020221207. The reversal of 10020221200 is 212202001.

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 (10020221207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39921075 + ... + 39921325.

Almost surely, 210020221200 is an apocalyptic number.

10020221200 is a gapful number since it is divisible by the number (10) 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 10020221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13553882496).

10020221200 is an abundant number, since it is smaller than the sum of its proper divisors (17087543792).

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

10020221200 is a wasteful number, since it uses less digits than its factorization.

10020221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 523 counting only the distinct ones).

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

Adding to 10020221200 its reverse (212202001), we get a palindrome (10232423201).

The spelling of 10020221200 in words is "ten billion, twenty million, two hundred twenty-one thousand, two hundred".