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20221031032 = 2361157263927
BaseRepresentation
bin10010110101010001…
…000111001001111000
31221012020102210211021
4102311101013021320
5312403040443112
613142302512224
71314044633146
oct226521071170
957166383737
1020221031032
1186372769a4
123b03b95674
131ba3416727
14d9b7c0596
157d537b907
hex4b5447278

20221031032 has 32 divisors (see below), whose sum is σ = 38781580320. Its totient is φ = 9881389440.

The previous prime is 20221031027. The next prime is 20221031069. The reversal of 20221031032 is 23013012202.

It is a junction number, because it is equal to n+sod(n) for n = 20221030997 and 20221031015.

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, 55348 + ... + 208579.

It is an arithmetic number, because the mean of its divisors is an integer number (1211924385).

Almost surely, 220221031032 is an apocalyptic number.

It is an amenable number.

20221031032 is a deficient number, since it is larger than the sum of its proper divisors (18560549288).

20221031032 is a wasteful number, since it uses less digits than its factorization.

20221031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264151 (or 264147 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20221031032 its reverse (23013012202), we get a palindrome (43234043234).

The spelling of 20221031032 in words is "twenty billion, two hundred twenty-one million, thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 61 122 157 244 314 488 628 1256 9577 19154 38308 76616 263927 527854 1055708 2111416 16099547 32199094 41436539 64398188 82873078 128796376 165746156 331492312 2527628879 5055257758 10110515516 20221031032