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1020222202020 = 223579725042273
BaseRepresentation
bin11101101100010011111…
…10110110000010100100
310121112101001001201121020
432312021332312002210
5113203403340431040
62100403354251140
7133465025430150
oct16661176660244
93545331051536
101020222202020
1136374592164a
12145886426ab0
137528ba02258
1437544050060
151b811c74cd0
hexed89fb60a4

1020222202020 has 96 divisors (see below), whose sum is σ = 3298367993088. Its totient is φ = 230789578752.

The previous prime is 1020222201949. The next prime is 1020222202039. The reversal of 1020222202020 is 202022220201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12480397 + ... + 12561876.

It is an arithmetic number, because the mean of its divisors is an integer number (34357999928).

Almost surely, 21020222202020 is an apocalyptic number.

1020222202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020222202020 is an abundant number, since it is smaller than the sum of its proper divisors (2278145791068).

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

1020222202020 is a wasteful number, since it uses less digits than its factorization.

1020222202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25042389 (or 25042387 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 1020222202020 its reverse (202022220201), we get a palindrome (1222244422221).

The spelling of 1020222202020 in words is "one trillion, twenty billion, two hundred twenty-two million, two hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 97 105 140 194 210 291 388 420 485 582 679 970 1164 1358 1455 1940 2037 2716 2910 3395 4074 5820 6790 8148 10185 13580 20370 40740 25042273 50084546 75126819 100169092 125211365 150253638 175295911 250422730 300507276 350591822 375634095 500845460 525887733 701183644 751268190 876479555 1051775466 1502536380 1752959110 2103550932 2429100481 2629438665 3505918220 4858200962 5258877330 7287301443 9716401924 10517754660 12145502405 14574602886 17003703367 24291004810 29149205772 34007406734 36436507215 48582009620 51011110101 68014813468 72873014430 85018516835 102022220202 145746028860 170037033670 204044440404 255055550505 340074067340 510111101010 1020222202020