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20122211010 = 23511161937663
BaseRepresentation
bin10010101111011000…
…001001001011000010
31220221100111020020110
4102233120021023002
5312202241223020
613124412452150
71311434654136
oct225730111302
956840436213
1020122211010
118596510a60
123a96a7a056
131b88ac7045
14d8c6193c6
157cb85b8e0
hex4af6092c2

20122211010 has 64 divisors (see below), whose sum is σ = 52717547520. Its totient is φ = 4874969280.

The previous prime is 20122211009. The next prime is 20122211059. The reversal of 20122211010 is 1011222102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515439 + ... + 553101.

It is an arithmetic number, because the mean of its divisors is an integer number (823711680).

Almost surely, 220122211010 is an apocalyptic number.

20122211010 is an abundant number, since it is smaller than the sum of its proper divisors (32595336510).

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

20122211010 is a wasteful number, since it uses less digits than its factorization.

20122211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39303.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122211010 its reverse (1011222102), we get a palindrome (21133433112).

It can be divided in two parts, 20122 and 211010, that added together give a palindrome (231132).

The spelling of 20122211010 in words is "twenty billion, one hundred twenty-two million, two hundred eleven thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 1619 3238 4857 8095 9714 16190 17809 24285 35618 37663 48570 53427 75326 89045 106854 112989 178090 188315 225978 267135 376630 414293 534270 564945 828586 1129890 1242879 2071465 2485758 4142930 6214395 12428790 60976397 121952794 182929191 304881985 365858382 609763970 670740367 914645955 1341480734 1829291910 2012221101 3353701835 4024442202 6707403670 10061105505 20122211010