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20220020304420 = 22352287147354761
BaseRepresentation
bin1001001100011110101110…
…01000001010101000100100
32122121000101222111000211110
410212033113020022220210
510122241100144220140
6111000541000505020
74154563644530226
oct446172710125044
978530358430743
1020220020304420
116496298366272
122326937a7b170
13b38980269691
144dc9231cc416
15250e80c37380
hex1263d720aa24

20220020304420 has 48 divisors (see below), whose sum is σ = 56640812836608. Its totient is φ = 5389647701760.

The previous prime is 20220020304349. The next prime is 20220020304493. The reversal of 20220020304420 is 2440302002202.

It is a super-2 number, since 2×202200203044202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73540161 + ... + 73814600.

It is an arithmetic number, because the mean of its divisors is an integer number (1180016934096).

Almost surely, 220220020304420 is an apocalyptic number.

20220020304420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220020304420 is an abundant number, since it is smaller than the sum of its proper divisors (36420792532188).

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

20220020304420 is a wasteful number, since it uses less digits than its factorization.

20220020304420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147357060 (or 147357058 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20220020304420 its reverse (2440302002202), we get a palindrome (22660322306622).

The spelling of 20220020304420 in words is "twenty trillion, two hundred twenty billion, twenty million, three hundred four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2287 4574 6861 9148 11435 13722 22870 27444 34305 45740 68610 137220 147354761 294709522 442064283 589419044 736773805 884128566 1473547610 1768257132 2210321415 2947095220 4420642830 8841285660 337000338407 674000676814 1011001015221 1348001353628 1685001692035 2022002030442 3370003384070 4044004060884 5055005076105 6740006768140 10110010152210 20220020304420