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20200201010220 = 22357112328265289
BaseRepresentation
bin1001001011111001110011…
…10011100011110000101100
32122112010020201222120100010
410211330321303203300230
510121430002424311340
6110543502204333220
74153262545361340
oct445747163436054
978463221876303
1020200201010220
116488947941190
122322b26544210
13b36b42151c6a
144db9a2d05620
152506c0cb3b80
hex125f39ce3c2c

20200201010220 has 288 divisors, whose sum is σ = 73716336207360. Its totient is φ = 4014946298880.

The previous prime is 20200201010219. The next prime is 20200201010251. The reversal of 20200201010220 is 2201010200202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20200201010196 and 20200201010205.

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, 1688665 + ... + 6576624.

It is an arithmetic number, because the mean of its divisors is an integer number (255959500720).

Almost surely, 220200201010220 is an apocalyptic number.

20200201010220 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 20200201010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36858168103680).

20200201010220 is an abundant number, since it is smaller than the sum of its proper divisors (53516135197140).

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

20200201010220 is a wasteful number, since it uses less digits than its factorization.

20200201010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265365 (or 8265340 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20200201010220 its reverse (2201010200202), we get a palindrome (22401211210422).

The spelling of 20200201010220 in words is "twenty trillion, two hundred billion, two hundred one million, ten thousand, two hundred twenty".