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20401030200 = 23352172294057
BaseRepresentation
bin10010111111111111…
…110000010000111000
31221122210010201021010
4102333333300100320
5313240130431300
613212212513520
71321361616105
oct227777602070
957583121233
1020401030200
118719938a41
123b5431b8a0
131c017ba105
14db7677aac
157e6084a50
hex4bfff0438

20401030200 has 288 divisors, whose sum is σ = 69515974800. Its totient is φ = 4942479360.

The previous prime is 20401030121. The next prime is 20401030249. The reversal of 20401030200 is 203010402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5026572 + ... + 5030628.

Almost surely, 220401030200 is an apocalyptic number.

20401030200 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 20401030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34757987400).

20401030200 is an abundant number, since it is smaller than the sum of its proper divisors (49114944600).

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

20401030200 is a wasteful number, since it uses less digits than its factorization.

20401030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20401030200 its reverse (203010402), we get a palindrome (20604040602).

The spelling of 20401030200 in words is "twenty billion, four hundred one million, thirty thousand, two hundred".