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210220020120220 = 225113189397872387
BaseRepresentation
bin101111110011000110101001…
…100111111011101010011100
31000120022211121122112110220021
4233303012221213323222130
5210023221100122321340
62023033424413201524
762164616033102425
oct5763065147735234
91016284548473807
10210220020120220
1160a8989aa2a170
121b6b206b4902a4
13903b880337246
1439ca9bba7664c
151948489d48e4a
hexbf31a99fba9c

210220020120220 has 192 divisors, whose sum is σ = 503982874644480. Its totient is φ = 72962177587200.

The previous prime is 210220020120217. The next prime is 210220020120233. The reversal of 210220020120220 is 22021020022012.

It is a junction number, because it is equal to n+sod(n) for n = 210220020120194 and 210220020120203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240534867 + ... + 241407253.

It is an arithmetic number, because the mean of its divisors is an integer number (2624910805440).

Almost surely, 2210220020120220 is an apocalyptic number.

210220020120220 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 210220020120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251991437322240).

210220020120220 is an abundant number, since it is smaller than the sum of its proper divisors (293762854524260).

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

210220020120220 is a wasteful number, since it uses less digits than its factorization.

210220020120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872924 (or 872922 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 210220020120220 its reverse (22021020022012), we get a palindrome (232241040142232).

The spelling of 210220020120220 in words is "two hundred ten trillion, two hundred twenty billion, twenty million, one hundred twenty thousand, two hundred twenty".