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20122002210 = 2351011166337
BaseRepresentation
bin10010101111010111…
…010110001100100010
31220221100002121211010
4102233113112030202
5312202213032320
613124404201350
71311433124322
oct225727261442
956840077733
1020122002210
1185963890a2
123a96999256
131b88a52cab
14d8c5a3282
157cb819ae0
hex4af5d6322

20122002210 has 32 divisors (see below), whose sum is σ = 48298309632. Its totient is φ = 5365255680.

The previous prime is 20122002143. The next prime is 20122002239. The reversal of 20122002210 is 1220022102.

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, 270162 + ... + 336498.

It is an arithmetic number, because the mean of its divisors is an integer number (1509322176).

Almost surely, 220122002210 is an apocalyptic number.

20122002210 is an abundant number, since it is smaller than the sum of its proper divisors (28176307422).

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

20122002210 is a wasteful number, since it uses less digits than its factorization.

20122002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76458.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20122002210 its reverse (1220022102), we get a palindrome (21342024312).

The spelling of 20122002210 in words is "twenty billion, one hundred twenty-two million, two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 10111 20222 30333 50555 60666 66337 101110 132674 151665 199011 303330 331685 398022 663370 995055 1990110 670733407 1341466814 2012200221 3353667035 4024400442 6707334070 10061001105 20122002210