Search a number
-
+
20025116 = 22171811627
BaseRepresentation
bin100110001100…
…0111100011100
31101200101021222
41030120330130
520111300431
61553112512
7332132156
oct114307434
941611258
1020025116
1110338191
126858738
1341c19a7
142933ad6
151b5857b
hex1318f1c

20025116 has 24 divisors (see below), whose sum is σ = 37333296. Its totient is φ = 9365760.

The previous prime is 20025079. The next prime is 20025119. The reversal of 20025116 is 61152002.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 20025094 and 20025103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025119) 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, 11495 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (1555554).

Almost surely, 220025116 is an apocalyptic number.

It is an amenable number.

20025116 is a deficient number, since it is larger than the sum of its proper divisors (17308180).

20025116 is a wasteful number, since it uses less digits than its factorization.

20025116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20025116 is about 4474.9431281302. The cubic root of 20025116 is about 271.5553396504. Note that the first 3 decimals are identical.

Adding to 20025116 its reverse (61152002), we get a palindrome (81177118).

The spelling of 20025116 in words is "twenty million, twenty-five thousand, one hundred sixteen".

Divisors: 1 2 4 17 34 68 181 362 724 1627 3077 3254 6154 6508 12308 27659 55318 110636 294487 588974 1177948 5006279 10012558 20025116