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20221112012010 = 23571379389241027
BaseRepresentation
bin1001001100100000110000…
…01100101100110011101010
32122121010020001201112002220
410212100120030230303222
510122300314133341020
6111001241155534510
74154633002065210
oct446203014546352
978533201645086
1020221112012010
1164967a8627348
122326ba15ba436
13b38ac54a5ac0
144dc9c81accb0
15250ee69d1240
hex12641832ccea

20221112012010 has 256 divisors, whose sum is σ = 60641873510400. Its totient is φ = 4201580657664.

The previous prime is 20221112011993. The next prime is 20221112012041. The reversal of 20221112012010 is 1021021112202.

It is a super-2 number, since 2×202211120120102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 83775117 + ... + 84016143.

It is an arithmetic number, because the mean of its divisors is an integer number (236882318400).

Almost surely, 220221112012010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221112012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30320936755200).

20221112012010 is an abundant number, since it is smaller than the sum of its proper divisors (40420761498390).

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

20221112012010 is a wasteful number, since it uses less digits than its factorization.

20221112012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241525.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20221112012010 its reverse (1021021112202), we get a palindrome (21242133124212).

The spelling of 20221112012010 in words is "twenty trillion, two hundred twenty-one billion, one hundred twelve million, twelve thousand, ten".