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20122223233 = 7223101176779
BaseRepresentation
bin10010101111011000…
…001100001010000001
31220221100111212000011
4102233120030022001
5312202242120413
613124413024521
71311435034600
oct225730141201
956840455004
1020122223233
11859651a162
123a96a85141
131b88acc788
14d8c61da37
157cb86033d
hex4af60c281

20122223233 has 24 divisors (see below), whose sum is σ = 24667174080. Its totient is φ = 16334287200.

The previous prime is 20122223221. The next prime is 20122223249. The reversal of 20122223233 is 33232222102.

It is not a de Polignac number, because 20122223233 - 229 = 19585352321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122223203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25438 + ... + 202216.

It is an arithmetic number, because the mean of its divisors is an integer number (1027798920).

Almost surely, 220122223233 is an apocalyptic number.

20122223233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20122223233 is a deficient number, since it is larger than the sum of its proper divisors (4544950847).

20122223233 is a wasteful number, since it uses less digits than its factorization.

20122223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176917 (or 176910 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20122223233 its reverse (33232222102), we get a palindrome (53354445335).

The spelling of 20122223233 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 7 23 49 101 161 707 1127 2323 4949 16261 113827 176779 1237453 4065917 8662171 17854679 28461419 124982753 199229933 410657617 874879271 2874603319 20122223233