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120210200020 = 2256010510001
BaseRepresentation
bin110111111110100010…
…1100001010111010100
3102111021122200212201101
41233331011201113110
53432142302400040
6131120201435444
711453630561311
oct1577505412724
9374248625641
10120210200020
1146a87584549
121b36a19bb84
13b449903291
145b65221d08
1531d867709a
hex1bfd1615d4

120210200020 has 12 divisors (see below), whose sum is σ = 252441420084. Its totient is φ = 48084080000.

The previous prime is 120210199999. The next prime is 120210200053. The reversal of 120210200020 is 20002012021.

It can be written as a sum of positive squares in 2 ways, for example, as 26533803664 + 93676396356 = 162892^2 + 306066^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005254981 + ... + 3005255020.

It is an arithmetic number, because the mean of its divisors is an integer number (21036785007).

Almost surely, 2120210200020 is an apocalyptic number.

120210200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210200020 is an abundant number, since it is smaller than the sum of its proper divisors (132231220064).

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

120210200020 is a wasteful number, since it uses less digits than its factorization.

120210200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010510010 (or 6010510008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120210200020 its reverse (20002012021), we get a palindrome (140212212041).

The spelling of 120210200020 in words is "one hundred twenty billion, two hundred ten million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 6010510001 12021020002 24042040004 30052550005 60105100010 120210200020