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20200201000100 = 2252112331101255007
BaseRepresentation
bin1001001011111001110011…
…10011100001010010100100
32122112010020201222001110022
410211330321303201102210
510121430002424000400
6110543502204214312
74153262545320002
oct445747163412244
978463221861408
1020200201000100
116488947934620
122322b2653a398
13b36b4214a484
144db9a2d01a72
152506c0cb0b85
hex125f39ce14a4

20200201000100 has 288 divisors, whose sum is σ = 52018302615552. Its totient is φ = 6732158400000.

The previous prime is 20200201000027. The next prime is 20200201000103. The reversal of 20200201000100 is 100010200202.

It is not an unprimeable number, because it can be changed into a prime (20200201000103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79086797 + ... + 79341803.

It is an arithmetic number, because the mean of its divisors is an integer number (180619106304).

Almost surely, 220200201000100 is an apocalyptic number.

20200201000100 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 20200201000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26009151307776).

20200201000100 is an abundant number, since it is smaller than the sum of its proper divisors (31818101615452).

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

20200201000100 is a wasteful number, since it uses less digits than its factorization.

20200201000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255187 (or 255180 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20200201000100 its reverse (100010200202), we get a palindrome (20300211200302).

The spelling of 20200201000100 in words is "twenty trillion, two hundred billion, two hundred one million, one hundred", and thus it is an aban number.