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2002111112020 = 225316075319953
BaseRepresentation
bin11101001000100111000…
…111110010001101010100
321002101210120021110020011
4131020213013302031110
5230300310421041040
64131431313250004
7264435115442425
oct35104707621524
97071716243204
102002111112020
117020aa589568
12284032b63904
13116a4ba42c96
146cc8cdcd64c
153712d4dc3ea
hex1d2271f2354

2002111112020 has 48 divisors (see below), whose sum is σ = 4347211051008. Its totient is φ = 773733818880.

The previous prime is 2002111111993. The next prime is 2002111112081. The reversal of 2002111112020 is 202111112002.

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, 2283637 + ... + 3036316.

It is an arithmetic number, because the mean of its divisors is an integer number (90566896896).

Almost surely, 22002111112020 is an apocalyptic number.

2002111112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002111112020 is an abundant number, since it is smaller than the sum of its proper divisors (2345099938988).

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

2002111112020 is a wasteful number, since it uses less digits than its factorization.

2002111112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320600 (or 5320598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2002111112020 its reverse (202111112002), we get a palindrome (2204222224022).

The spelling of 2002111112020 in words is "two trillion, two billion, one hundred eleven million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 607 620 1214 2428 3035 6070 12140 18817 37634 75268 94085 188170 376340 5319953 10639906 21279812 26599765 53199530 106399060 164918543 329837086 659674172 824592715 1649185430 3229211471 3298370860 6458422942 12916845884 16146057355 32292114710 64584229420 100105555601 200211111202 400422222404 500527778005 1001055556010 2002111112020