Search a number
-
+
20065701 = 310961363
BaseRepresentation
bin100110010001…
…0110110100101
31101202102222010
41030202312211
520114100301
61554024433
7332361405
oct114426645
941672863
1020065701
1110365727
126878119
1342072c6
142944805
151b655d6
hex1322da5

20065701 has 8 divisors (see below), whose sum is σ = 27000160. Its totient is φ = 13254192.

The previous prime is 20065657. The next prime is 20065733. The reversal of 20065701 is 10756002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20065701 - 29 = 20065189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065781) 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, 30355 + ... + 31008.

It is an arithmetic number, because the mean of its divisors is an integer number (3375020).

Almost surely, 220065701 is an apocalyptic number.

It is an amenable number.

20065701 is a deficient number, since it is larger than the sum of its proper divisors (6934459).

20065701 is a wasteful number, since it uses less digits than its factorization.

20065701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61475.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 20065701 is about 4479.4755273358. The cubic root of 20065701 is about 271.7386700299.

The spelling of 20065701 in words is "twenty million, sixty-five thousand, seven hundred one".

Divisors: 1 3 109 327 61363 184089 6688567 20065701