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210002010022020 = 2235171945723711197
BaseRepresentation
bin101111101111111011100111…
…001101011010000010000100
31000112112222220011002000020210
4233233323213031122002010
5210011133104031201040
62022345331440155420
762143100401614456
oct5757734715320204
91015488804060223
10210002010022020
1160a05396a09697
121b677968308b70
139024148990338
1439c0219a9a2d6
15194297a6c4480
hexbefee735a084

210002010022020 has 192 divisors, whose sum is σ = 656796390808320. Its totient is φ = 49823103172608.

The previous prime is 210002010021977. The next prime is 210002010022031. The reversal of 210002010022020 is 20220010200012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210002010021987 and 210002010022005.

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, 2998939 + ... + 20712258.

It is an arithmetic number, because the mean of its divisors is an integer number (3420814535460).

Almost surely, 2210002010022020 is an apocalyptic number.

210002010022020 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 210002010022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328398195404160).

210002010022020 is an abundant number, since it is smaller than the sum of its proper divisors (446794380786300).

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

210002010022020 is a wasteful number, since it uses less digits than its factorization.

210002010022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711702 (or 23711700 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210002010022020 its reverse (20220010200012), we get a palindrome (230222020222032).

The spelling of 210002010022020 in words is "two hundred ten trillion, two billion, ten million, twenty-two thousand, twenty".