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20214422212220 = 2257912793938109
BaseRepresentation
bin1001001100010100010010…
…11101001000111001111100
32122120110221211200111000022
410212022021131020321330
510122143114041242340
6110554213302151312
74154305140530555
oct446121135107174
978513854614008
1020214422212220
116493985393795
122325835122538
13b3829a52c6a2
144dc55191d32c
15250c5453d3b5
hex126289748e7c

20214422212220 has 24 divisors (see below), whose sum is σ = 42987632049600. Its totient is φ = 7983417379392.

The previous prime is 20214422212133. The next prime is 20214422212247. The reversal of 20214422212220 is 2221222441202.

It is a self number, because there is not a number n which added to its sum of digits gives 20214422212220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6396967475 + ... + 6396970634.

It is an arithmetic number, because the mean of its divisors is an integer number (1791151335400).

Almost surely, 220214422212220 is an apocalyptic number.

20214422212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20214422212220 is an abundant number, since it is smaller than the sum of its proper divisors (22773209837380).

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

20214422212220 is a wasteful number, since it uses less digits than its factorization.

20214422212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793938197 (or 12793938195 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 20214422212220 its reverse (2221222441202), we get a palindrome (22435644653422).

The spelling of 20214422212220 in words is "twenty trillion, two hundred fourteen billion, four hundred twenty-two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 12793938109 25587876218 51175752436 63969690545 127939381090 255878762180 1010721110611 2021442221222 4042884442444 5053605553055 10107211106110 20214422212220