Search a number
-
+
2201011212020 = 225591865263739
BaseRepresentation
bin100000000001110110011…
…111011100111011110100
321210102012020220102120112
4200001312133130323310
5242030132332241040
64403044112522152
7315006052421045
oct40016637347364
97712166812515
102201011212020
117794974a35a5
122b66a2250358
1312c729217b4a
147875ad9a8cc
153c3c00ea365
hex200767dcef4

2201011212020 has 24 divisors (see below), whose sum is σ = 4700464624800. Its totient is φ = 865482374432.

The previous prime is 2201011212007. The next prime is 2201011212047. The reversal of 2201011212020 is 202121101022.

It is a junction number, because it is equal to n+sod(n) for n = 2201011211986 and 2201011212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932630690 + ... + 932633049.

It is an arithmetic number, because the mean of its divisors is an integer number (195852692700).

Almost surely, 22201011212020 is an apocalyptic number.

2201011212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201011212020 is an abundant number, since it is smaller than the sum of its proper divisors (2499453412780).

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

2201011212020 is a wasteful number, since it uses less digits than its factorization.

2201011212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865263807 (or 1865263805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201011212020 its reverse (202121101022), we get a palindrome (2403132313042).

The spelling of 2201011212020 in words is "two trillion, two hundred one billion, eleven million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 1865263739 3730527478 7461054956 9326318695 18652637390 37305274780 110050560601 220101121202 440202242404 550252803005 1100505606010 2201011212020