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20442020200 = 23527194783197
BaseRepresentation
bin10011000010011100…
…000111100101101000
31221202122021012222021
4103002130013211220
5313331124121300
613220235234224
71322400206350
oct230234074550
957678235867
1020442020200
11873aa95378
123b65ba8974
131c0a13c454
14dbcca7b60
157e997ed1a
hex4c2707968

20442020200 has 384 divisors, whose sum is σ = 59396198400. Its totient is φ = 6387655680.

The previous prime is 20442020177. The next prime is 20442020213. The reversal of 20442020200 is 202024402.

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, 103766502 + ... + 103766698.

It is an arithmetic number, because the mean of its divisors is an integer number (154677600).

Almost surely, 220442020200 is an apocalyptic number.

20442020200 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 20442020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29698099200).

20442020200 is an abundant number, since it is smaller than the sum of its proper divisors (38954178200).

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

20442020200 is a wasteful number, since it uses less digits than its factorization.

20442020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20442020200 its reverse (202024402), we get a palindrome (20644044602).

The spelling of 20442020200 in words is "twenty billion, four hundred forty-two million, twenty thousand, two hundred".