Search a number
-
+
20514707 is a prime number
BaseRepresentation
bin100111001000…
…0011110010011
31102121020212222
41032100132103
520222432312
62011411255
7336241433
oct116203623
942536788
1020514707
1110642004
126a53b2b
1343337a5
142a202c3
151c03672
hex1390793

20514707 has 2 divisors, whose sum is σ = 20514708. Its totient is φ = 20514706.

The previous prime is 20514677. The next prime is 20514743. The reversal of 20514707 is 70741502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20514707 - 28 = 20514451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20514757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257353 + 10257354.

It is an arithmetic number, because the mean of its divisors is an integer number (10257354).

Almost surely, 220514707 is an apocalyptic number.

20514707 is a deficient number, since it is larger than the sum of its proper divisors (1).

20514707 is an equidigital number, since it uses as much as digits as its factorization.

20514707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 20514707 is about 4529.3163943359. The cubic root of 20514707 is about 273.7506166802.

The spelling of 20514707 in words is "twenty million, five hundred fourteen thousand, seven hundred seven".