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210010002020 = 225713115390111
BaseRepresentation
bin1100001110010110010…
…0100101001001100100
3202002001221212110210222
43003211210211021210
511420100030031040
6240251031103512
721113146364240
oct3034544451144
9662057773728
10210010002020
1181079197945
123484bb11b98
1316a5b0cc0b0
14a2436c9420
1556e215abb5
hex30e5925264

210010002020 has 48 divisors (see below), whose sum is σ = 542795086848. Its totient is φ = 66464703360.

The previous prime is 210010002017. The next prime is 210010002023. The reversal of 210010002020 is 20200010012.

It is an interprime number because it is at equal distance from previous prime (210010002017) and next prime (210010002023).

It is a junction number, because it is equal to n+sod(n) for n = 210010001989 and 210010002007.

It is not an unprimeable number, because it can be changed into a prime (210010002023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57693236 + ... + 57696875.

It is an arithmetic number, because the mean of its divisors is an integer number (11308230976).

Almost surely, 2210010002020 is an apocalyptic number.

210010002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010002020 is an abundant number, since it is smaller than the sum of its proper divisors (332785084828).

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

210010002020 is a wasteful number, since it uses less digits than its factorization.

210010002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115390140 (or 115390138 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 210010002020 its reverse (20200010012), we get a palindrome (230210012032).

The spelling of 210010002020 in words is "two hundred ten billion, ten million, two thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 115390111 230780222 461560444 576950555 807730777 1153901110 1500071443 1615461554 2307802220 3000142886 3230923108 4038653885 6000285772 7500357215 8077307770 10500500101 15000714430 16154615540 21001000202 30001428860 42002000404 52502500505 105005001010 210010002020