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20200122222 = 2371292337217
BaseRepresentation
bin10010110100000001…
…010110011101101110
31221010210002112022220
4102310001112131232
5312332212402342
613140234420210
71313402130420
oct226401263556
957123075286
1020200122222
118626495895
123ab8b91666
131b9bca5757
14d98ada810
157d35eb5ec
hex4b405676e

20200122222 has 32 divisors (see below), whose sum is σ = 46176521472. Its totient is φ = 5770861824.

The previous prime is 20200122197. The next prime is 20200122247. The reversal of 20200122222 is 22222100202.

It is an interprime number because it is at equal distance from previous prime (20200122197) and next prime (20200122247).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524158 + ... + 561374.

It is an arithmetic number, because the mean of its divisors is an integer number (1443016296).

Almost surely, 220200122222 is an apocalyptic number.

20200122222 is an abundant number, since it is smaller than the sum of its proper divisors (25976399250).

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

20200122222 is a wasteful number, since it uses less digits than its factorization.

20200122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50152.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20200122222 its reverse (22222100202), we get a palindrome (42422222424).

The spelling of 20200122222 in words is "twenty billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 12923 25846 37217 38769 74434 77538 90461 111651 180922 223302 260519 271383 521038 542766 781557 1563114 480955291 961910582 1442865873 2885731746 3366687037 6733374074 10100061111 20200122222