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20022123431310 = 235711136421103837
BaseRepresentation
bin1001000110101110000111…
…00011100000010110001110
32121220002121012121021001120
410203113003203200112032
510111020302044300220
6110330011520021410
74134356612052420
oct443270343402616
977802535537046
1020022123431310
11641a375779470
1222b4508761866
13b231028916b0
144d310c56c810
1524ac4c246a40
hex1235c38e058e

20022123431310 has 256 divisors, whose sum is σ = 64529512040448. Its totient is φ = 3839772211200.

The previous prime is 20022123431309. The next prime is 20022123431381. The reversal of 20022123431310 is 1313432122002.

It is a super-2 number, since 2×200221234313102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 192770712 + ... + 192874548.

It is an arithmetic number, because the mean of its divisors is an integer number (252068406408).

Almost surely, 220022123431310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022123431310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32264756020224).

20022123431310 is an abundant number, since it is smaller than the sum of its proper divisors (44507388609138).

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

20022123431310 is a wasteful number, since it uses less digits than its factorization.

20022123431310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110299.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20022123431310 its reverse (1313432122002), we get a palindrome (21335555553312).

The spelling of 20022123431310 in words is "twenty trillion, twenty-two billion, one hundred twenty-three million, four hundred thirty-one thousand, three hundred ten".