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2020002000042 = 231344029588191
BaseRepresentation
bin11101011001010001100…
…000000110110010101010
321011002222102010201202110
4131121101200012302222
5231043431003000132
64143550501143150
7265640350462005
oct35312140066252
97132872121673
102020002000042
11709750516534
122875a66baab6
1311864048c460
146daa913653c
1537828ee11cc
hex1d651806caa

2020002000042 has 32 divisors (see below), whose sum is σ = 4350879751680. Its totient is φ = 621523903680.

The previous prime is 2020002000019. The next prime is 2020002000067. The reversal of 2020002000042 is 2400002000202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2020001999991 and 2020002000027.

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, 3140167 + ... + 3728357.

It is an arithmetic number, because the mean of its divisors is an integer number (135964992240).

Almost surely, 22020002000042 is an apocalyptic number.

2020002000042 is an abundant number, since it is smaller than the sum of its proper divisors (2330877751638).

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

2020002000042 is a wasteful number, since it uses less digits than its factorization.

2020002000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632238.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 2020002000042 its reverse (2400002000202), we get a palindrome (4420004000244).

The spelling of 2020002000042 in words is "two trillion, twenty billion, two million, forty-two", and thus it is an aban number and an uban number.

Divisors: 1 2 3 6 13 26 39 78 44029 88058 132087 264174 572377 588191 1144754 1176382 1717131 1764573 3434262 3529146 7646483 15292966 22939449 45878898 25897461539 51794923078 77692384617 155384769234 336667000007 673334000014 1010001000021 2020002000042