Search a number
-
+
20822034 = 234721571
BaseRepresentation
bin100111101101…
…1100000010010
31110011212110110
41033123200102
520312301114
62022142150
7341661432
oct117334022
943155413
1020822034
11108319a2
126b81956
13441063c
142aa02c2
151c64759
hex13db812

20822034 has 24 divisors (see below), whose sum is σ = 42576048. Its totient is φ = 6788680.

The previous prime is 20822033. The next prime is 20822047. The reversal of 20822034 is 43022802.

It is a self number, because there is not a number n which added to its sum of digits gives 20822034.

It is not an unprimeable number, because it can be changed into a prime (20822033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12469 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (1774002).

Almost surely, 220822034 is an apocalyptic number.

20822034 is an abundant number, since it is smaller than the sum of its proper divisors (21754014).

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

20822034 is a wasteful number, since it uses less digits than its factorization.

20822034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20822034 is about 4563.1166980475. The cubic root of 20822034 is about 275.1108489761.

Adding to 20822034 its product of nonzero digits (768), we get a palindrome (20822802).

Adding to 20822034 its reverse (43022802), we get a palindrome (63844836).

The spelling of 20822034 in words is "twenty million, eight hundred twenty-two thousand, thirty-four".

Divisors: 1 2 3 6 47 94 141 282 1571 2209 3142 4418 4713 6627 9426 13254 73837 147674 221511 443022 3470339 6940678 10411017 20822034