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20210102222 = 2101557179623
BaseRepresentation
bin10010110100100111…
…011010111111001110
31221011110212120022112
4102310213122333032
5312342241232342
613141232344022
71313553014552
oct226447327716
957143776275
1020210102222
118631091a22
123b003a5012
131ba108b18b
14d9a177862
157d441d682
hex4b49dafce

20210102222 has 16 divisors (see below), whose sum is σ = 30670438752. Its totient is φ = 9986983200.

The previous prime is 20210102207. The next prime is 20210102249. The reversal of 20210102222 is 22220101202.

It is a junction number, because it is equal to n+sod(n) for n = 20210102197 and 20210102206.

It is a congruent number.

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, 22703 + ... + 202325.

It is an arithmetic number, because the mean of its divisors is an integer number (1916902422).

Almost surely, 220210102222 is an apocalyptic number.

20210102222 is a deficient number, since it is larger than the sum of its proper divisors (10460336530).

20210102222 is a wasteful number, since it uses less digits than its factorization.

20210102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180283.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20210102222 its reverse (22220101202), we get a palindrome (42430203424).

The spelling of 20210102222 in words is "twenty billion, two hundred ten million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 101 202 557 1114 56257 112514 179623 359246 18141923 36283846 100050011 200100022 10105051111 20210102222