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20020888 = 2311322147
BaseRepresentation
bin100110001011…
…1111010011000
31101200011111101
41030113322120
520111132023
61553041144
7332113636
oct114277230
941604441
1020020888
1110334a98
1268561b4
1341bcaa4
142932356
151b571ad
hex1317e98

20020888 has 16 divisors (see below), whose sum is σ = 37873080. Its totient is φ = 9921408.

The previous prime is 20020841. The next prime is 20020901. The reversal of 20020888 is 88802002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10170 + ... + 11977.

Almost surely, 220020888 is an apocalyptic number.

It is an amenable number.

20020888 is a deficient number, since it is larger than the sum of its proper divisors (17852192).

20020888 is a wasteful number, since it uses less digits than its factorization.

20020888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22266 (or 22262 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 20020888 is about 4474.4706949538. The cubic root of 20020888 is about 271.5362267060.

The spelling of 20020888 in words is "twenty million, twenty thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 113 226 452 904 22147 44294 88588 177176 2502611 5005222 10010444 20020888