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20031011200200 = 2335271113791572689
BaseRepresentation
bin1001000110111110101010…
…10011101001110011001000
32121220221112121111200221010
410203133111103221303020
510111142002331401300
6110334041451443520
74135123062620160
oct443372523516310
977827477450833
1020031011200200
116423116684810
1222b61891565a0
13b23bbb007c40
144d3712acb5a0
1524b0bc654a50
hex1237d54e9cc8

20031011200200 has 1536 divisors, whose sum is σ = 84998559744000. Its totient is φ = 3767913676800.

The previous prime is 20031011200199. The next prime is 20031011200243. The reversal of 20031011200200 is 200211013002.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 7449240456 + ... + 7449243144.

It is an arithmetic number, because the mean of its divisors is an integer number (55337604000).

Almost surely, 220031011200200 is an apocalyptic number.

20031011200200 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 20031011200200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42499279872000).

20031011200200 is an abundant number, since it is smaller than the sum of its proper divisors (64967548543800).

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

20031011200200 is a wasteful number, since it uses less digits than its factorization.

20031011200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20031011200200 its reverse (200211013002), we get a palindrome (20231222213202).

The spelling of 20031011200200 in words is "twenty trillion, thirty-one billion, eleven million, two hundred thousand, two hundred".