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20103222 = 2315721341
BaseRepresentation
bin100110010110…
…0000000110110
31101211100102210
41030230000312
520121300342
61554514250
7332605656
oct114540066
941740383
1020103222
1110390937
126895986
13421b3c9
142954366
151b7179c
hex132c036

20103222 has 16 divisors (see below), whose sum is σ = 40464432. Its totient is φ = 6658080.

The previous prime is 20103203. The next prime is 20103241. The reversal of 20103222 is 22230102.

20103222 is nontrivially palindromic in base 12.

It is an interprime number because it is at equal distance from previous prime (20103203) and next prime (20103241).

It is a junction number, because it is equal to n+sod(n) for n = 20103198 and 20103207.

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, 9729 + ... + 11612.

It is an arithmetic number, because the mean of its divisors is an integer number (2529027).

Almost surely, 220103222 is an apocalyptic number.

20103222 is an abundant number, since it is smaller than the sum of its proper divisors (20361210).

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

20103222 is a wasteful number, since it uses less digits than its factorization.

20103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21503.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20103222 is about 4483.6616732309. The cubic root of 20103222 is about 271.9079399381.

Adding to 20103222 its reverse (22230102), we get a palindrome (42333324).

The spelling of 20103222 in words is "twenty million, one hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 157 314 471 942 21341 42682 64023 128046 3350537 6701074 10051611 20103222