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2020065 = 35137983
BaseRepresentation
bin111101101001011100001
310210122000020
413231023201
51004120230
6111144053
723112255
oct7551341
93718006
102020065
11115a783
12815029
13559608
143a8265
1529d810
hex1ed2e1

2020065 has 16 divisors (see below), whose sum is σ = 3259008. Its totient is φ = 1068416.

The previous prime is 2020043. The next prime is 2020079. The reversal of 2020065 is 5600202.

It is a cyclic number.

It is not a de Polignac number, because 2020065 - 26 = 2020001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564 + ... + 2546.

It is an arithmetic number, because the mean of its divisors is an integer number (203688).

22020065 is an apocalyptic number.

It is an amenable number.

2020065 is a deficient number, since it is larger than the sum of its proper divisors (1238943).

2020065 is a wasteful number, since it uses less digits than its factorization.

2020065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2020065 is about 1421.2899070914. The cubic root of 2020065 is about 126.4120423620.

Adding to 2020065 its reverse (5600202), we get a palindrome (7620267).

The spelling of 2020065 in words is "two million, twenty thousand, sixty-five".

Divisors: 1 3 5 15 137 411 685 983 2055 2949 4915 14745 134671 404013 673355 2020065