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20102110222210 = 2523809108035203
BaseRepresentation
bin1001001001000011000110…
…01000111001011110000010
32122011202001121212020120121
410210201203020321132002
510113323110204102320
6110430440522330454
74143221013420502
oct444414310713602
978152047766517
1020102110222210
116450291183335
122307b10059a2a
13b2a80c050073
144d6d39669a02
1524cd7e4a68aa
hex124863239782

20102110222210 has 32 divisors (see below), whose sum is σ = 37803678583680. Its totient is φ = 7681735003008.

The previous prime is 20102110222189. The next prime is 20102110222217. The reversal of 20102110222210 is 1222201120102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20102110222217) 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, 53831532 + ... + 54203671.

It is an arithmetic number, because the mean of its divisors is an integer number (1181364955740).

Almost surely, 220102110222210 is an apocalyptic number.

20102110222210 is a deficient number, since it is larger than the sum of its proper divisors (17701568361470).

20102110222210 is a wasteful number, since it uses less digits than its factorization.

20102110222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108036042.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102110222210 its reverse (1222201120102), we get a palindrome (21324311342312).

The spelling of 20102110222210 in words is "twenty trillion, one hundred two billion, one hundred ten million, two hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 23 46 115 230 809 1618 4045 8090 18607 37214 93035 186070 108035203 216070406 540176015 1080352030 2484809669 4969619338 12424048345 24848096690 87400479227 174800958454 437002396135 874004792270 2010211022221 4020422044442 10051055111105 20102110222210