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20102322023 = 723433139277
BaseRepresentation
bin10010101110001100…
…010001011101100111
31220212222001202200022
4102232030101131213
5312132143301043
613122422305355
71311103626560
oct225614213547
956788052608
1020102322023
118586267083
123a9028825b
131b84952304
14d89b1d167
157c9c2d868
hex4ae311767

20102322023 has 32 divisors (see below), whose sum is σ = 24611490816. Its totient is φ = 16044956928.

The previous prime is 20102322011. The next prime is 20102322029. The reversal of 20102322023 is 32022320102.

It is not a de Polignac number, because 20102322023 - 210 = 20102320999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102321992 and 20102322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102322029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2162261 + ... + 2171537.

It is an arithmetic number, because the mean of its divisors is an integer number (769109088).

Almost surely, 220102322023 is an apocalyptic number.

20102322023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20102322023 is a deficient number, since it is larger than the sum of its proper divisors (4509168793).

20102322023 is a wasteful number, since it uses less digits than its factorization.

20102322023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20102322023 its reverse (32022320102), we get a palindrome (52124642125).

The spelling of 20102322023 in words is "twenty billion, one hundred two million, three hundred twenty-two thousand, twenty-three".

Divisors: 1 7 23 43 161 301 313 989 2191 6923 7199 9277 13459 50393 64939 94213 213371 309557 398911 1493597 2166899 2792377 2903701 9174953 20325907 64224671 66785123 124859143 467495861 874014001 2871760289 20102322023