Search a number
-
+
2221000200020 = 225726875904089
BaseRepresentation
bin100000010100011101111…
…011011000111101010100
321212022210022201020012102
4200110131323120331110
5242342102022400040
64420151410141232
7316314312132020
oct40243573307524
97768708636172
102221000200020
11786a14791098
122ba540581818
131315935383b4
14796d5a17380
153cb8eddd515
hex2051ded8f54

2221000200020 has 48 divisors (see below), whose sum is σ = 5332385157120. Its totient is φ = 761202257664.

The previous prime is 2221000199993. The next prime is 2221000200031. The reversal of 2221000200020 is 200020001222.

2221000200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2221000199974 and 2221000200010.

It is a congruent number.

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, 2575865 + ... + 3328224.

It is an arithmetic number, because the mean of its divisors is an integer number (111091357440).

Almost surely, 22221000200020 is an apocalyptic number.

2221000200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221000200020 is an abundant number, since it is smaller than the sum of its proper divisors (3111384957100).

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

2221000200020 is a wasteful number, since it uses less digits than its factorization.

2221000200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906792 (or 5906790 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2221000200020 its reverse (200020001222), we get a palindrome (2421020201242).

The spelling of 2221000200020 in words is "two trillion, two hundred twenty-one billion, two hundred thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2687 5374 10748 13435 18809 26870 37618 53740 75236 94045 188090 376180 5904089 11808178 23616356 29520445 41328623 59040890 82657246 118081780 165314492 206643115 413286230 826572460 15864287143 31728574286 63457148572 79321435715 111050010001 158642871430 222100020002 317285742860 444200040004 555250050005 1110500100010 2221000200020