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20202231100200 = 23352317128615347
BaseRepresentation
bin1001001011111101100101…
…10011101111001100101000
32122112022111012221211020220
410211332302303233030220
510121443132130201300
6110544435444250040
74153364056015122
oct445766263571450
978468435854226
1020202231100200
11648979986a8a6
1223233b23a0920
13b370a6903236
144dbb16794212
1525078e11bda0
hex125fb2cef328

20202231100200 has 384 divisors, whose sum is σ = 65592841789440. Its totient is φ = 5137292160000.

The previous prime is 20202231100171. The next prime is 20202231100277. The reversal of 20202231100200 is 200113220202.

It is a happy number.

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 20202231100200.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3778233927 + ... + 3778239273.

It is an arithmetic number, because the mean of its divisors is an integer number (170814692160).

Almost surely, 220202231100200 is an apocalyptic number.

20202231100200 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 20202231100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32796420894720).

20202231100200 is an abundant number, since it is smaller than the sum of its proper divisors (45390610689240).

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

20202231100200 is a wasteful number, since it uses less digits than its factorization.

20202231100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20202231100200 its reverse (200113220202), we get a palindrome (20402344320402).

The spelling of 20202231100200 in words is "twenty trillion, two hundred two billion, two hundred thirty-one million, one hundred thousand, two hundred".