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20144200000 = 2655472143
BaseRepresentation
bin10010110000101100…
…000001100101000000
31220222212212101110111
4102300230001211000
5312223403400000
613130520041104
71312122606031
oct226054014500
956885771414
1020144200000
1185a796a681
123aa2303194
131b90525892
14d91500a88
157cd751cba
hex4b0b01940

20144200000 has 168 divisors, whose sum is σ = 51050732544. Its totient is φ = 7882560000.

The previous prime is 20144199983. The next prime is 20144200051. The reversal of 20144200000 is 244102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9398929 + ... + 9401071.

It is an arithmetic number, because the mean of its divisors is an integer number (303873408).

Almost surely, 220144200000 is an apocalyptic number.

20144200000 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 20144200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25525366272).

20144200000 is an abundant number, since it is smaller than the sum of its proper divisors (30906532544).

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

20144200000 is an frugal number, since it uses more digits than its factorization.

20144200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227 (or 2197 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20144200000 its reverse (244102), we get a palindrome (20144444102).

The spelling of 20144200000 in words is "twenty billion, one hundred forty-four million, two hundred thousand".