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2220222222020 = 2251190131119707
BaseRepresentation
bin100000010011101111100…
…011101000111011000100
321212020210002210212000102
4200103233203220323010
5242334003342101040
64415542255303232
7316256114335415
oct40235743507304
97766702725012
102220222222020
11786655621770
122ba363b1ab18
1313149b2c609a
147966058180c
153cb46966515
hex204ef8e8ec4

2220222222020 has 48 divisors (see below), whose sum is σ = 5086896147648. Its totient is φ = 807263237760.

The previous prime is 2220222221953. The next prime is 2220222222091. The reversal of 2220222222020 is 202222220222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2220222221983 and 2220222222001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423007 + ... + 2542713.

It is an arithmetic number, because the mean of its divisors is an integer number (105977003076).

Almost surely, 22220222222020 is an apocalyptic number.

2220222222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220222222020 is an abundant number, since it is smaller than the sum of its proper divisors (2866673925628).

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

2220222222020 is a wasteful number, since it uses less digits than its factorization.

2220222222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128740 (or 1128738 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2220222222020 its reverse (202222220222), we get a palindrome (2422444442242).

It can be divided in two parts, 22202 and 22222020, that added together give a palindrome (22244222).

The spelling of 2220222222020 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 9013 18026 36052 45065 90130 99143 180260 198286 396572 495715 991430 1119707 1982860 2239414 4478828 5598535 11197070 12316777 22394140 24633554 49267108 61583885 123167770 246335540 10091919191 20183838382 40367676764 50459595955 100919191910 111011111101 201838383820 222022222202 444044444404 555055555505 1110111111010 2220222222020