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20021112002210 = 251129471513832309
BaseRepresentation
bin1001000110101100001110…
…10001001101011010100010
32121212222222201102100011112
410203112013101031122202
510111011214133032320
6110325323305343322
74134322551050504
oct443260721153242
977788881370145
1020021112002210
1164199a6859850
1222b4285a97b42
13b22ca1182337
144d30540c7d74
1524abdd558ec5
hex12358744d6a2

20021112002210 has 256 divisors, whose sum is σ = 41937548083200. Its totient is φ = 6813437568000.

The previous prime is 20021112002201. The next prime is 20021112002233. The reversal of 20021112002210 is 1220021112002.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8670900536 + ... + 8670902844.

It is an arithmetic number, because the mean of its divisors is an integer number (163818547200).

Almost surely, 220021112002210 is an apocalyptic number.

20021112002210 is an abundant number, since it is smaller than the sum of its proper divisors (21916436080990).

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

20021112002210 is a wasteful number, since it uses less digits than its factorization.

20021112002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20021112002210 its reverse (1220021112002), we get a palindrome (21241133114212).

The spelling of 20021112002210 in words is "twenty trillion, twenty-one billion, one hundred twelve million, two thousand, two hundred ten".