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2210102020 = 225715786443
BaseRepresentation
bin1000001110111011…
…0111101100000100
312201000200211000101
42003232313230010
514011241231040
61003150053444
7105524362060
oct20356675404
95630624011
102210102020
11a345aa3a5
125181aa284
13292b5a799
1416d74aaa0
15ce06509a
hex83bb7b04

2210102020 has 24 divisors (see below), whose sum is σ = 5304245184. Its totient is φ = 757749216.

The previous prime is 2210101981. The next prime is 2210102033. The reversal of 2210102020 is 202010122.

2210102020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2210101988 and 2210102006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7893082 + ... + 7893361.

It is an arithmetic number, because the mean of its divisors is an integer number (221010216).

Almost surely, 22210102020 is an apocalyptic number.

2210102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210102020 is an abundant number, since it is smaller than the sum of its proper divisors (3094143164).

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

2210102020 is a wasteful number, since it uses less digits than its factorization.

2210102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15786459 (or 15786457 counting only the distinct ones).

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

The square root of 2210102020 is about 47011.7221552242. The cubic root of 2210102020 is about 1302.5791047136.

Adding to 2210102020 its reverse (202010122), we get a palindrome (2412112142).

The spelling of 2210102020 in words is "two billion, two hundred ten million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15786443 31572886 63145772 78932215 110505101 157864430 221010202 315728860 442020404 552525505 1105051010 2210102020