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2020422440042 = 217531549723829
BaseRepresentation
bin11101011001101010100…
…011111101010001101010
321011011001201021022000022
4131121222203331101222
5231100311121040132
64144100320440442
7265653644244416
oct35315243752152
97134051238008
102020422440042
11709946882306
122876a3479122
131186a9609516
146db08cdbd46
1537850d90e12
hex1d66a8fd46a

2020422440042 has 32 divisors (see below), whose sum is σ = 3271566834000. Its totient is φ = 932244139008.

The previous prime is 2020422440009. The next prime is 2020422440081. The reversal of 2020422440042 is 2400442240202.

It can be written as a sum of positive squares in 8 ways, for example, as 1437598602001 + 582823838041 = 1198999^2 + 763429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020422439993 and 2020422440020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2429384 + ... + 3153212.

Almost surely, 22020422440042 is an apocalyptic number.

2020422440042 is a deficient number, since it is larger than the sum of its proper divisors (1251144393958).

2020422440042 is a wasteful number, since it uses less digits than its factorization.

2020422440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725450.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2020422440042 its reverse (2400442240202), we get a palindrome (4420864680244).

The spelling of 2020422440042 in words is "two trillion, twenty billion, four hundred twenty-two million, four hundred forty thousand, forty-two".

Divisors: 1 2 17 34 53 106 901 1549 1802 3098 26333 52666 82097 164194 723829 1395649 1447658 2791298 12305093 24610186 38362937 76725874 652169929 1121211121 1304339858 2242422242 19060589057 38121178114 59424189413 118848378826 1010211220021 2020422440042