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2120210222020 = 2251168314110277
BaseRepresentation
bin11110110110100110011…
…000001000101111000100
321111200122002120211212021
4132312212120020233010
5234214142304101040
64302002223132524
7306115533350452
oct36664630105704
97450562524767
102120210222020
117481a343a910
122a2ab2144144
13124c20174667
1474893ab99d2
153a24165b24a
hex1eda6608bc4

2120210222020 has 48 divisors (see below), whose sum is σ = 4864320796608. Its totient is φ = 769856658560.

The previous prime is 2120210222017. The next prime is 2120210222057. The reversal of 2120210222020 is 202220120212.

It is a junction number, because it is equal to n+sod(n) for n = 2120210221985 and 2120210222003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6904879 + ... + 7205398.

It is an arithmetic number, because the mean of its divisors is an integer number (101340016596).

Almost surely, 22120210222020 is an apocalyptic number.

2120210222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120210222020 is an abundant number, since it is smaller than the sum of its proper divisors (2744110574588).

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

2120210222020 is a wasteful number, since it uses less digits than its factorization.

2120210222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14110980 (or 14110978 counting only the distinct ones).

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

Adding to 2120210222020 its reverse (202220120212), we get a palindrome (2322430342232).

The spelling of 2120210222020 in words is "two trillion, one hundred twenty billion, two hundred ten million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 683 1366 2732 3415 6830 7513 13660 15026 30052 37565 75130 150260 14110277 28220554 56441108 70551385 141102770 155213047 282205540 310426094 620852188 776065235 1552130470 3104260940 9637319191 19274638382 38549276764 48186595955 96373191910 106010511101 192746383820 212021022202 424042044404 530052555505 1060105111010 2120210222020