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20020323224 = 23111713382569
BaseRepresentation
bin10010101001010011…
…011110001110011000
31220200020202210110202
4102221103132032120
5312000200320344
613110333001332
71306056640166
oct225123361630
956606683422
1020020323224
118543a50180
123a68923248
131b70972205
14d7cc96236
157c293294e
hex4a94de398

20020323224 has 32 divisors (see below), whose sum is σ = 43359526800. Its totient is φ = 8564843520.

The previous prime is 20020323163. The next prime is 20020323233. The reversal of 20020323224 is 42232302002.

It is a junction number, because it is equal to n+sod(n) for n = 20020323196 and 20020323205.

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 7 ways as a sum of consecutive naturals, for example, 6689789 + ... + 6692780.

Almost surely, 220020323224 is an apocalyptic number.

It is an amenable number.

20020323224 is an abundant number, since it is smaller than the sum of its proper divisors (23339203576).

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

20020323224 is a wasteful number, since it uses less digits than its factorization.

20020323224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13382603 (or 13382599 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20020323224 its reverse (42232302002), we get a palindrome (62252625226).

The spelling of 20020323224 in words is "twenty billion, twenty million, three hundred twenty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 374 748 1496 13382569 26765138 53530276 107060552 147208259 227503673 294416518 455007346 588833036 910014692 1177666072 1820029384 2502540403 5005080806 10010161612 20020323224