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210020122 = 21341271727
BaseRepresentation
bin11001000010010…
…10011100011010
3112122012010110001
430201022130122
5412231120442
632501243214
75130066364
oct1441123432
9478163401
10210020122
11a8607254
125a40350a
1334685080
141dc6dd34
15136882b7
hexc84a71a

210020122 has 32 divisors (see below), whose sum is σ = 349300224. Its totient is φ = 94089600.

The previous prime is 210020101. The next prime is 210020137. The reversal of 210020122 is 221020012.

It is a junction number, because it is equal to n+sod(n) for n = 210020099 and 210020108.

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, 288523 + ... + 289249.

It is an arithmetic number, because the mean of its divisors is an integer number (10915632).

Almost surely, 2210020122 is an apocalyptic number.

210020122 is a deficient number, since it is larger than the sum of its proper divisors (139280102).

210020122 is a wasteful number, since it uses less digits than its factorization.

210020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

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

The square root of 210020122 is about 14492.0710045183. The cubic root of 210020122 is about 594.4111793680.

Adding to 210020122 its reverse (221020012), we get a palindrome (431040134).

It can be divided in two parts, 2100 and 20122, that added together give a palindrome (22222).

The spelling of 210020122 in words is "two hundred ten million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 13 26 41 82 271 533 542 727 1066 1454 3523 7046 9451 11111 18902 22222 29807 59614 144443 197017 288886 387491 394034 774982 2561221 5122442 8077697 16155394 105010061 210020122