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20202101211200 = 265219235399883
BaseRepresentation
bin1001001011111101010110…
…00100010000000001000000
32122112022011011112210001012
410211332223010100001000
510121442400402224300
6110544414524300052
74153360620666026
oct445765304200100
978468134483035
1020202101211200
116489732514317
1223233769a1628
13b37085a2613c
144dbb03422716
15250782a11435
hex125fab110040

20202101211200 has 252 divisors, whose sum is σ = 52483935031920. Its totient is φ = 7652595502080.

The previous prime is 20202101211197. The next prime is 20202101211239. The reversal of 20202101211200 is 211210120202.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2044121459 + ... + 2044131341.

It is an arithmetic number, because the mean of its divisors is an integer number (208269583460).

Almost surely, 220202101211200 is an apocalyptic number.

20202101211200 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 20202101211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26241967515960).

20202101211200 is an abundant number, since it is smaller than the sum of its proper divisors (32281833820720).

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

20202101211200 is a wasteful number, since it uses less digits than its factorization.

20202101211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13482 (or 13448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202101211200 its reverse (211210120202), we get a palindrome (20413311331402).

The spelling of 20202101211200 in words is "twenty trillion, two hundred two billion, one hundred one million, two hundred eleven thousand, two hundred".