Search a number
-
+
20027526 = 23231031409
BaseRepresentation
bin100110001100…
…1100010000110
31101200111121020
41030121202012
520111340101
61553132010
7332142201
oct114314206
941614536
1020027526
1110339a82
12685a006
1341c2b0c
142934938
151b59136
hex1319886

20027526 has 32 divisors (see below), whose sum is σ = 42232320. Its totient is φ = 6319104.

The previous prime is 20027507. The next prime is 20027531. The reversal of 20027526 is 62572002.

It is a super-2 number, since 2×200275262 = 802203595361352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20027496 and 20027505.

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, 13510 + ... + 14918.

It is an arithmetic number, because the mean of its divisors is an integer number (1319760).

Almost surely, 220027526 is an apocalyptic number.

20027526 is an abundant number, since it is smaller than the sum of its proper divisors (22204794).

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

20027526 is a wasteful number, since it uses less digits than its factorization.

20027526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20027526 is about 4475.2123971941. The cubic root of 20027526 is about 271.5662330058.

Adding to 20027526 its reverse (62572002), we get a palindrome (82599528).

The spelling of 20027526 in words is "twenty million, twenty-seven thousand, five hundred twenty-six".

Divisors: 1 2 3 6 23 46 69 103 138 206 309 618 1409 2369 2818 4227 4738 7107 8454 14214 32407 64814 97221 145127 194442 290254 435381 870762 3337921 6675842 10013763 20027526