Search a number
-
+
20759267400 = 23352337102667
BaseRepresentation
bin10011010101010110…
…010100100001001000
31222120202020001022120
4103111112110201020
5320003333024100
613311531051240
71333301601324
oct232526244110
958522201276
1020759267400
118893079943
1240342a0b20
131c5aa986a1
14100d08a984
158177490a0
hex4d5594848

20759267400 has 96 divisors (see below), whose sum is σ = 64545318240. Its totient is φ = 5519324160.

The previous prime is 20759267383. The next prime is 20759267407. The reversal of 20759267400 is 476295702.

It is not an unprimeable number, because it can be changed into a prime (20759267407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150867 + ... + 253533.

It is an arithmetic number, because the mean of its divisors is an integer number (672347065).

Almost surely, 220759267400 is an apocalyptic number.

20759267400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20759267400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32272659120).

20759267400 is an abundant number, since it is smaller than the sum of its proper divisors (43786050840).

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

20759267400 is a wasteful number, since it uses less digits than its factorization.

20759267400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103023 (or 103014 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 20759267400 in words is "twenty billion, seven hundred fifty-nine million, two hundred sixty-seven thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 337 600 674 1011 1348 1685 2022 2696 3370 4044 5055 6740 8088 8425 10110 13480 16850 20220 25275 33700 40440 50550 67400 101100 102667 202200 205334 308001 410668 513335 616002 821336 1026670 1232004 1540005 2053340 2464008 2566675 3080010 4106680 5133350 6160020 7700025 10266700 12320040 15400050 20533400 30800100 34598779 61600200 69197558 103796337 138395116 172993895 207592674 276790232 345987790 415185348 518981685 691975580 830370696 864969475 1037963370 1383951160 1729938950 2075926740 2594908425 3459877900 4151853480 5189816850 6919755800 10379633700 20759267400