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20000102012200 = 23521901203925799
BaseRepresentation
bin1001000110000101000101…
…11110011101010100101000
32121210222202111102021002101
410203002202332131110220
510110140202103342300
6110311530420343144
74132650113064352
oct443024276352450
977728674367071
1020000102012200
116410aa5203342
1222b01a1844ab4
13b2100348039b
144d201da140d2
1524a3adcd6b6a
hex1230a2f9d528

20000102012200 has 96 divisors (see below), whose sum is σ = 46549319760000. Its totient is φ = 7991601248000.

The previous prime is 20000102012113. The next prime is 20000102012243. The reversal of 20000102012200 is 221020100002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775214901 + ... + 775240699.

It is an arithmetic number, because the mean of its divisors is an integer number (484888747500).

Almost surely, 220000102012200 is an apocalyptic number.

20000102012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000102012200 is an abundant number, since it is smaller than the sum of its proper divisors (26549217747800).

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

20000102012200 is a wasteful number, since it uses less digits than its factorization.

20000102012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29755 (or 29746 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20000102012200 its reverse (221020100002), we get a palindrome (20221122112202).

The spelling of 20000102012200 in words is "twenty trillion, one hundred two million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1901 2039 3802 4078 7604 8156 9505 10195 15208 16312 19010 20390 25799 38020 40780 47525 50975 51598 76040 81560 95050 101950 103196 128995 190100 203900 206392 257990 380200 407800 515980 644975 1031960 1289950 2579900 3876139 5159800 7752278 15504556 19380695 31009112 38761390 49043899 52604161 77522780 96903475 98087798 105208322 155045560 193806950 196175596 210416644 245219495 263020805 387613900 392351192 420833288 490438990 526041610 775227800 980877980 1052083220 1226097475 1315104025 1961755960 2104166440 2452194950 2630208050 4904389900 5260416100 9808779800 10520832200 100000510061 200001020122 400002040244 500002550305 800004080488 1000005100610 2000010201220 2500012751525 4000020402440 5000025503050 10000051006100 20000102012200