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20010023022 = 2311417394687
BaseRepresentation
bin10010101000101100…
…001011100001101110
31220122112101111020210
4102220230023201232
5311440031214042
613105324123250
71305603250353
oct225054134156
956575344223
1020010023022
118539155510
123a65396526
131b6b7a6b12
14d7b77462a
157c1a9aa9c
hex4a8b0b86e

20010023022 has 32 divisors (see below), whose sum is σ = 44723073024. Its totient is φ = 5915748800.

The previous prime is 20010022993. The next prime is 20010023057. The reversal of 20010023022 is 22032001002.

It is a junction number, because it is equal to n+sod(n) for n = 20010022989 and 20010023007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3694638 + ... + 3700049.

It is an arithmetic number, because the mean of its divisors is an integer number (1397596032).

Almost surely, 220010023022 is an apocalyptic number.

20010023022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20010023022 is an abundant number, since it is smaller than the sum of its proper divisors (24713050002).

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

20010023022 is a wasteful number, since it uses less digits than its factorization.

20010023022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394744.

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

Adding to 20010023022 its reverse (22032001002), we get a palindrome (42042024024).

The spelling of 20010023022 in words is "twenty billion, ten million, twenty-three thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 246 451 902 1353 2706 7394687 14789374 22184061 44368122 81341557 162683114 244024671 303182167 488049342 606364334 909546501 1819093002 3335003837 6670007674 10005011511 20010023022