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20013221030110 = 25711226937323549
BaseRepresentation
bin1001000110011101100001…
…11011100010100011011110
32121212020121210011102102121
410203032300323202203132
510110344034040430420
6110321540302413154
74133623162643110
oct443166073424336
977766553142377
1020013221030110
116416617589700
1222b28432911ba
13b223143c3c89
144d29060c13b0
1524a8ca8e82aa
hex1233b0ee28de

20013221030110 has 192 divisors, whose sum is σ = 45544969008000. Its totient is φ = 6197773317120.

The previous prime is 20013221030107. The next prime is 20013221030119. The reversal of 20013221030110 is 1103012231002.

It is a super-2 number, since 2×200132210301102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013221030119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 849842616 + ... + 849866164.

It is an arithmetic number, because the mean of its divisors is an integer number (237213380250).

Almost surely, 220013221030110 is an apocalyptic number.

20013221030110 is an abundant number, since it is smaller than the sum of its proper divisors (25531747977890).

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

20013221030110 is a wasteful number, since it uses less digits than its factorization.

20013221030110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24227 (or 24216 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20013221030110 its reverse (1103012231002), we get a palindrome (21116233261112).

The spelling of 20013221030110 in words is "twenty trillion, thirteen billion, two hundred twenty-one million, thirty thousand, one hundred ten".