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2200021010020 = 225472731856993
BaseRepresentation
bin100000000000111011011…
…110001000011001100100
321210022122020122221210101
4200000323132020121210
5242021120334310040
64402401541233444
7314642400015541
oct40007336103144
97708566587711
102200021010020
11779029562139
122b6466702884
1312c5cc02b5c2
14786a567dbc8
153c36320209a
hex2003b788664

2200021010020 has 48 divisors (see below), whose sum is σ = 4720076137728. Its totient is φ = 860968442880.

The previous prime is 2200021010009. The next prime is 2200021010207. The reversal of 2200021010020 is 200101200022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2200021009979 and 2200021010006.

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, 2138644 + ... + 2995636.

It is an arithmetic number, because the mean of its divisors is an integer number (98334919536).

Almost surely, 22200021010020 is an apocalyptic number.

2200021010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200021010020 is an abundant number, since it is smaller than the sum of its proper divisors (2520055127708).

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

2200021010020 is a wasteful number, since it uses less digits than its factorization.

2200021010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859780 (or 859778 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2200021010020 its reverse (200101200022), we get a palindrome (2400122210042).

The spelling of 2200021010020 in words is "two trillion, two hundred billion, twenty-one million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2731 5462 10924 13655 27310 54620 128357 256714 513428 641785 856993 1283570 1713986 2567140 3427972 4284965 8569930 17139860 40278671 80557342 161114684 201393355 402786710 805573420 2340447883 4680895766 9361791532 11702239415 23404478830 46808957660 110001050501 220002101002 440004202004 550005252505 1100010505010 2200021010020