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20213041220330 = 257793655161161
BaseRepresentation
bin1001001100010001101110…
…01001000100101011101010
32122120100101121002211021112
410212020313021010223222
510122132302023022310
6110553424250510322
74154226001353260
oct446106711045352
978510347084245
1020213041220330
1164933368a8082
12232550a7353a2
13b3810a3a7a1a
144dc460358430
15250bc31a0705
hex126237244aea

20213041220330 has 32 divisors (see below), whose sum is σ = 42107456586240. Its totient is φ = 6842461691520.

The previous prime is 20213041220327. The next prime is 20213041220371. The reversal of 20213041220330 is 3302214031202.

It is a junction number, because it is equal to n+sod(n) for n = 20213041220296 and 20213041220305.

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, 1827575051 + ... + 1827586110.

It is an arithmetic number, because the mean of its divisors is an integer number (1315858018320).

Almost surely, 220213041220330 is an apocalyptic number.

20213041220330 is an abundant number, since it is smaller than the sum of its proper divisors (21894415365910).

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

20213041220330 is a wasteful number, since it uses less digits than its factorization.

20213041220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655161254.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20213041220330 its reverse (3302214031202), we get a palindrome (23515255251532).

The spelling of 20213041220330 in words is "twenty trillion, two hundred thirteen billion, forty-one million, two hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 79 158 395 553 790 1106 2765 5530 3655161161 7310322322 18275805805 25586128127 36551611610 51172256254 127930640635 255861281270 288757731719 577515463438 1443788658595 2021304122033 2887577317190 4042608244066 10106520610165 20213041220330