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20361044 = 22113591289
BaseRepresentation
bin100110110101…
…0111101010100
31102022110002202
41031222331110
520203023134
62004224032
7335031434
oct115527524
942273082
1020361044
1110547610
12699b018
1342ab872
1429c02c4
151bc2d7e
hex136af54

20361044 has 24 divisors (see below), whose sum is σ = 39009600. Its totient is φ = 9222080.

The previous prime is 20361037. The next prime is 20361101. The reversal of 20361044 is 44016302.

It is a happy number.

It is a super-2 number, since 2×203610442 = 829144225539872, which contains 22 as substring.

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, 15152 + ... + 16440.

It is an arithmetic number, because the mean of its divisors is an integer number (1625400).

Almost surely, 220361044 is an apocalyptic number.

It is an amenable number.

20361044 is a deficient number, since it is larger than the sum of its proper divisors (18648556).

20361044 is a wasteful number, since it uses less digits than its factorization.

20361044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20361044 is about 4512.3213538045. The cubic root of 20361044 is about 273.0654040543.

Adding to 20361044 its reverse (44016302), we get a palindrome (64377346).

The spelling of 20361044 in words is "twenty million, three hundred sixty-one thousand, forty-four".

Divisors: 1 2 4 11 22 44 359 718 1289 1436 2578 3949 5156 7898 14179 15796 28358 56716 462751 925502 1851004 5090261 10180522 20361044