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20202202020202 = 223439178304787
BaseRepresentation
bin1001001011111101100010…
…00100110011100101101010
32122112022102012020101222221
410211332301010303211222
510121443102204121302
6110544432525104254
74153363253600566
oct445766104634552
978468365211887
1020202202020202
116489784408644
1223233a46b808a
13b370a0890c37
144dbb129846a6
1525078b7c5937
hex125fb113396a

20202202020202 has 8 divisors (see below), whose sum is σ = 31620837944736. Its totient is φ = 9661922705292.

The previous prime is 20202202020191. The next prime is 20202202020211. The reversal of 20202202020202 is 20202020220202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202022020202022 (a number of 27 digits) contains 22 as substring.

20202202020202 is a modest number, since divided by 2020202 gives 202022 as remainder.

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 3 ways as a sum of consecutive naturals, for example, 219589152348 + ... + 219589152439.

It is an arithmetic number, because the mean of its divisors is an integer number (3952604743092).

Almost surely, 220202202020202 is an apocalyptic number.

20202202020202 is a deficient number, since it is larger than the sum of its proper divisors (11418635924534).

20202202020202 is a wasteful number, since it uses less digits than its factorization.

20202202020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439178304812.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20202202020202 its reverse (20202020220202), we get a palindrome (40404222240404).

The spelling of 20202202020202 in words is "twenty trillion, two hundred two billion, two hundred two million, twenty thousand, two hundred two".

Divisors: 1 2 23 46 439178304787 878356609574 10101101010101 20202202020202