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102200033220 = 223517378930427
BaseRepresentation
bin101111100101110011…
…0001011111111000100
3100202210111101121110120
41133023212023333010
53133301202030340
6114541113221540
710245416643345
oct1371346137704
9322714347416
10102200033220
113a38528867a
12179827018b0
13983955324c
144d3730a0cc
1529d24614d0
hex17cb98bfc4

102200033220 has 192 divisors, whose sum is σ = 314688810240. Its totient is φ = 24675729408.

The previous prime is 102200033213. The next prime is 102200033239. The reversal of 102200033220 is 22330002201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102200033220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3343647 + ... + 3374073.

It is an arithmetic number, because the mean of its divisors is an integer number (1639004220).

Almost surely, 2102200033220 is an apocalyptic number.

102200033220 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 102200033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157344405120).

102200033220 is an abundant number, since it is smaller than the sum of its proper divisors (212488777020).

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

102200033220 is a wasteful number, since it uses less digits than its factorization.

102200033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30582 (or 30580 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 102200033220 its reverse (22330002201), we get a palindrome (124530035421).

The spelling of 102200033220 in words is "one hundred two billion, two hundred million, thirty-three thousand, two hundred twenty".