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233020220020 = 22577187231589
BaseRepresentation
bin1101100100000100010…
…1100110001001110100
3211021110120122122212021
43121001011212021310
512304211134020040
6255014212002524
722556313122020
oct3310105461164
9737416578767
10233020220020
118a906926235
12391b2000444
1318c873280c3
14b3c76b7380
1560dc2d824a
hex3641166274

233020220020 has 48 divisors (see below), whose sum is σ = 559328757120. Its totient is φ = 79881185664.

The previous prime is 233020220009. The next prime is 233020220023. The reversal of 233020220020 is 20022020332.

It is a junction number, because it is equal to n+sod(n) for n = 233020219976 and 233020220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233020220023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890386 + ... + 1121974.

It is an arithmetic number, because the mean of its divisors is an integer number (11652682440).

Almost surely, 2233020220020 is an apocalyptic number.

233020220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233020220020 is an abundant number, since it is smaller than the sum of its proper divisors (326308537100).

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

233020220020 is a wasteful number, since it uses less digits than its factorization.

233020220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238792 (or 238790 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 233020220020 its reverse (20022020332), we get a palindrome (253042240352).

The spelling of 233020220020 in words is "two hundred thirty-three billion, twenty million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7187 14374 28748 35935 50309 71870 100618 143740 201236 231589 251545 463178 503090 926356 1006180 1157945 1621123 2315890 3242246 4631780 6484492 8105615 16211230 32422460 1664430143 3328860286 6657720572 8322150715 11651011001 16644301430 23302022002 33288602860 46604044004 58255055005 116510110010 233020220020