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20746014 = 236751607
BaseRepresentation
bin100111100100…
…0111100011110
31110001000011220
41033020330132
520302333024
62020354210
7341224002
oct117107436
943030156
1020746014
111078a873
126b45966
1343b4b63
142a80702
151c4be79
hex13c8f1e

20746014 has 16 divisors (see below), whose sum is σ = 42112128. Its totient is φ = 6811992.

The previous prime is 20746013. The next prime is 20746021. The reversal of 20746014 is 41064702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20746013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25402 + ... + 26205.

It is an arithmetic number, because the mean of its divisors is an integer number (2632008).

Almost surely, 220746014 is an apocalyptic number.

20746014 is an abundant number, since it is smaller than the sum of its proper divisors (21366114).

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

20746014 is a wasteful number, since it uses less digits than its factorization.

20746014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51679.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20746014 is about 4554.7792482183. The cubic root of 20746014 is about 274.7756362823.

The spelling of 20746014 in words is "twenty million, seven hundred forty-six thousand, fourteen".

Divisors: 1 2 3 6 67 134 201 402 51607 103214 154821 309642 3457669 6915338 10373007 20746014