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20360996 = 225090249
BaseRepresentation
bin100110110101…
…0111100100100
31102022110000222
41031222330210
520203022441
62004223512
7335031335
oct115527444
942273028
1020360996
1110547577
12699ab98
1342ab836
1429c028c
151bc2d4b
hex136af24

20360996 has 6 divisors (see below), whose sum is σ = 35631750. Its totient is φ = 10180496.

The previous prime is 20360993. The next prime is 20361031. The reversal of 20360996 is 69906302.

It can be written as a sum of positive squares in only one way, i.e., 18576100 + 1784896 = 4310^2 + 1336^2 .

It is a super-2 number, since 2×203609962 = 829140316224032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20360993) by changing a digit.

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 as a sum of consecutive naturals, namely, 2545121 + ... + 2545128.

It is an arithmetic number, because the mean of its divisors is an integer number (5938625).

Almost surely, 220360996 is an apocalyptic number.

It is an amenable number.

20360996 is a deficient number, since it is larger than the sum of its proper divisors (15270754).

20360996 is a wasteful number, since it uses less digits than its factorization.

20360996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090253 (or 5090251 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 20360996 is about 4512.3160350312. The cubic root of 20360996 is about 273.0651894754.

The spelling of 20360996 in words is "twenty million, three hundred sixty thousand, nine hundred ninety-six".

Divisors: 1 2 4 5090249 10180498 20360996