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20022102100210 = 2572312436088261
BaseRepresentation
bin1001000110101110000100…
…10010001000100011110010
32121220002112201110112021211
410203113002102020203302
510111020231114201320
6110330005434510334
74134356232540550
oct443270222104362
977802481415254
1020022102100210
11641a36472a061
1222b45015953aa
13b230cb333442
144d31097b8bd0
1524ac4a43155a
hex1235c24888f2

20022102100210 has 32 divisors (see below), whose sum is σ = 42979121033472. Its totient is φ = 6566254601280.

The previous prime is 20022102100123. The next prime is 20022102100211. The reversal of 20022102100210 is 1200120122002.

It is a happy number.

It is a super-2 number, since 2×200221021002102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20022102100211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6218042521 + ... + 6218045740.

It is an arithmetic number, because the mean of its divisors is an integer number (1343097532296).

Almost surely, 220022102100210 is an apocalyptic number.

20022102100210 is an abundant number, since it is smaller than the sum of its proper divisors (22957018933262).

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

20022102100210 is a wasteful number, since it uses less digits than its factorization.

20022102100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436088298.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20022102100210 its reverse (1200120122002), we get a palindrome (21222222222212).

The spelling of 20022102100210 in words is "twenty trillion, twenty-two billion, one hundred two million, one hundred thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 12436088261 24872176522 62180441305 87052617827 124360882610 174105235654 286030030003 435263089135 572060060006 870526178270 1430150150015 2002210210021 2860300300030 4004420420042 10011051050105 20022102100210