Search a number
-
+
22013333020 = 2257157238093
BaseRepresentation
bin10100100000000110…
…001100111000011100
32002211010222011221101
4110200012030320130
5330040403124040
614040210042444
71406340146320
oct244006147034
962733864841
1022013333020
119376a52a08
124324279424
1320ca83c953
1410cb851980
1588c8b409a
hex52018ce1c

22013333020 has 24 divisors (see below), whose sum is σ = 52831999584. Its totient is φ = 7547428416.

The previous prime is 22013333009. The next prime is 22013333033. The reversal of 22013333020 is 2033331022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78618907 + ... + 78619186.

It is an arithmetic number, because the mean of its divisors is an integer number (2201333316).

Almost surely, 222013333020 is an apocalyptic number.

22013333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013333020 is an abundant number, since it is smaller than the sum of its proper divisors (30818666564).

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

22013333020 is a wasteful number, since it uses less digits than its factorization.

22013333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157238109 (or 157238107 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 22013333020 its reverse (2033331022), we get a palindrome (24046664042).

The spelling of 22013333020 in words is "twenty-two billion, thirteen million, three hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 157238093 314476186 628952372 786190465 1100666651 1572380930 2201333302 3144761860 4402666604 5503333255 11006666510 22013333020