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20552034 = 2319180281
BaseRepresentation
bin100111001100…
…1100101100010
31102200011002110
41032121211202
520230131114
62012300150
7336455316
oct116314542
942604073
1020552034
1110668058
126a71656
134347789
142a2db46
151c0e759
hex1399962

20552034 has 16 divisors (see below), whose sum is σ = 43267680. Its totient is φ = 6490080.

The previous prime is 20552011. The next prime is 20552071. The reversal of 20552034 is 43025502.

It is a super-2 number, since 2×205520342 = 844772203074312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20552034.

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, 90027 + ... + 90254.

It is an arithmetic number, because the mean of its divisors is an integer number (2704230).

Almost surely, 220552034 is an apocalyptic number.

20552034 is an abundant number, since it is smaller than the sum of its proper divisors (22715646).

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

20552034 is a wasteful number, since it uses less digits than its factorization.

20552034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180305.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20552034 is about 4533.4351214063. The cubic root of 20552034 is about 273.9165480135.

Adding to 20552034 its reverse (43025502), we get a palindrome (63577536).

The spelling of 20552034 in words is "twenty million, five hundred fifty-two thousand, thirty-four".

Divisors: 1 2 3 6 19 38 57 114 180281 360562 540843 1081686 3425339 6850678 10276017 20552034