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210200112220020 = 2235132697069141719
BaseRepresentation
bin101111110010110100000111…
…000001010100011101110100
31000120020221020020022100211020
4233302310013001110131310
5210022404312212020040
62023020333133541140
762163312506535156
oct5762640701243564
91016227206270736
10210200112220020
1160a8140449608a
121b6aa2343447b0
139039a29a68240
1439c9a4dac6ad6
151947bc2221cd0
hexbf2d07054774

210200112220020 has 192 divisors, whose sum is σ = 636284932416000. Its totient is φ = 51541562271744.

The previous prime is 210200112219991. The next prime is 210200112220081. The reversal of 210200112220020 is 20022211002012.

210200112220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1483146721 + ... + 1483288439.

It is an arithmetic number, because the mean of its divisors is an integer number (3313984023000).

Almost surely, 2210200112220020 is an apocalyptic number.

210200112220020 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 210200112220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318142466208000).

210200112220020 is an abundant number, since it is smaller than the sum of its proper divisors (426084820195980).

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

210200112220020 is a wasteful number, since it uses less digits than its factorization.

210200112220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149082 (or 149080 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210200112220020 its reverse (20022211002012), we get a palindrome (230222323222032).

The spelling of 210200112220020 in words is "two hundred ten trillion, two hundred billion, one hundred twelve million, two hundred twenty thousand, twenty".