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20220204042420 = 2235550161262207
BaseRepresentation
bin1001001100011111000100…
…00101000100100010110100
32122121000212210012212222120
410212033202011010202310
510122241434213324140
6111001011122555540
74154601335344434
oct446174205044264
978530783185876
1020220204042420
116496382051358
122326989508bb0
13b389ac34baa5
144dc93d77a2c4
15250e91e2d1d0
hex1263e21448b4

20220204042420 has 48 divisors (see below), whose sum is σ = 56626864293888. Its totient is φ = 5391074128000.

The previous prime is 20220204042419. The next prime is 20220204042463. The reversal of 20220204042420 is 2424040202202.

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, 30301044 + ... + 30961163.

It is an arithmetic number, because the mean of its divisors is an integer number (1179726339456).

Almost surely, 220220204042420 is an apocalyptic number.

20220204042420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220204042420 is an abundant number, since it is smaller than the sum of its proper divisors (36406660251468).

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

20220204042420 is a wasteful number, since it uses less digits than its factorization.

20220204042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61267720 (or 61267718 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20220204042420 its reverse (2424040202202), we get a palindrome (22644244244622).

The spelling of 20220204042420 in words is "twenty trillion, two hundred twenty billion, two hundred four million, forty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5501 11002 16503 22004 27505 33006 55010 66012 82515 110020 165030 330060 61262207 122524414 183786621 245048828 306311035 367573242 612622070 735146484 918933105 1225244140 1837866210 3675732420 337003400707 674006801414 1011010202121 1348013602828 1685017003535 2022020404242 3370034007070 4044040808484 5055051010605 6740068014140 10110102021210 20220204042420