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20377701 = 322398443
BaseRepresentation
bin100110110111…
…1000001100101
31102100021221200
41031233001211
520204041301
62004433113
7335131131
oct115570145
942307850
1020377701
1110559083
1269a8799
1342b6316
1429c63c1
151bc7c86
hex136f065

20377701 has 12 divisors (see below), whose sum is σ = 30714528. Its totient is φ = 12994344.

The previous prime is 20377699. The next prime is 20377703. The reversal of 20377701 is 10777302.

It is an interprime number because it is at equal distance from previous prime (20377699) and next prime (20377703).

It is not a de Polignac number, because 20377701 - 21 = 20377699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377703) 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 in 11 ways as a sum of consecutive naturals, for example, 49015 + ... + 49428.

It is an arithmetic number, because the mean of its divisors is an integer number (2559544).

Almost surely, 220377701 is an apocalyptic number.

It is an amenable number.

20377701 is a deficient number, since it is larger than the sum of its proper divisors (10336827).

20377701 is a wasteful number, since it uses less digits than its factorization.

20377701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98472 (or 98469 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 20377701 is about 4514.1667005107. The cubic root of 20377701 is about 273.1398470391.

The spelling of 20377701 in words is "twenty million, three hundred seventy-seven thousand, seven hundred one".

Divisors: 1 3 9 23 69 207 98443 295329 885987 2264189 6792567 20377701