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2020112002220 = 2251338919973423
BaseRepresentation
bin11101011001011000000…
…011101110110010101100
321011010021002010102101012
4131121120003232302230
5231044142133032340
64144005431004352
7265643154463034
oct35313003566254
97133232112335
102020112002220
117097a7619824
122876175096b8
1311865a1c57c0
146dab99ac8c4
15378339be565
hex1d6580eecac

2020112002220 has 48 divisors (see below), whose sum is σ = 4580305591680. Its totient is φ = 743970022656.

The previous prime is 2020112002199. The next prime is 2020112002297. The reversal of 2020112002220 is 222002110202.

It is a junction number, because it is equal to n+sod(n) for n = 2020112002195 and 2020112002204.

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, 9885572 + ... + 10087851.

It is an arithmetic number, because the mean of its divisors is an integer number (95423033160).

Almost surely, 22020112002220 is an apocalyptic number.

2020112002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020112002220 is an abundant number, since it is smaller than the sum of its proper divisors (2560193589460).

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

2020112002220 is a wasteful number, since it uses less digits than its factorization.

2020112002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19973834 (or 19973832 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020112002220 its reverse (222002110202), we get a palindrome (2242114112422).

The spelling of 2020112002220 in words is "two trillion, twenty billion, one hundred twelve million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 389 778 1556 1945 3890 5057 7780 10114 20228 25285 50570 101140 19973423 39946846 79893692 99867115 199734230 259654499 399468460 519308998 1038617996 1298272495 2596544990 5193089980 7769661547 15539323094 31078646188 38848307735 77696615470 101005600111 155393230940 202011200222 404022400444 505028000555 1010056001110 2020112002220