Search a number
-
+
20024072057700 = 2232521671097121447
BaseRepresentation
bin1001000110110001101111…
…01100111011001101100100
32121220021122000021201221100
410203120313230323031210
510111033244421321300
6110330533125520100
74134456113106054
oct443306754731544
977807560251840
1020024072057700
1164201857172a7
1222b4971273030
13b233534bc369
144d3255293564
1524ad1335c700
hex123637b3b364

20024072057700 has 216 divisors, whose sum is σ = 63198253302912. Its totient is φ = 5302895869440.

The previous prime is 20024072057663. The next prime is 20024072057741. The reversal of 20024072057700 is 775027042002.

20024072057700 is a `hidden beast` number, since 20 + 0 + 2 + 40 + 7 + 20 + 577 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 164818377 + ... + 164939823.

It is an arithmetic number, because the mean of its divisors is an integer number (292584506032).

Almost surely, 220024072057700 is an apocalyptic number.

20024072057700 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 20024072057700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31599126651456).

20024072057700 is an abundant number, since it is smaller than the sum of its proper divisors (43174181245212).

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

20024072057700 is a wasteful number, since it uses less digits than its factorization.

20024072057700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122731 (or 122721 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

Adding to 20024072057700 its reverse (775027042002), we get a palindrome (20799099099702).

The spelling of 20024072057700 in words is "twenty trillion, twenty-four billion, seventy-two million, fifty-seven thousand, seven hundred".