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20000211200020 = 22579181223313613
BaseRepresentation
bin1001000110000101010010…
…11110111110100000010100
32121211000001002212120121201
410203002221132332200110
510110140413031400040
6110311545320522244
74132652610134242
oct443025136764024
977730032776551
1020000211200020
1164110508aa807
1222b0212320384
13b2101cc8cb6c
144d2030317792
1524a3b86a3a9a
hex1230a97be814

20000211200020 has 96 divisors (see below), whose sum is σ = 42958996254720. Its totient is φ = 7819927764480.

The previous prime is 20000211199967. The next prime is 20000211200033. The reversal of 20000211200020 is 2000211200002.

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

It is a congruent number.

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, 63616734 + ... + 63930346.

It is an arithmetic number, because the mean of its divisors is an integer number (447489544320).

Almost surely, 220000211200020 is an apocalyptic number.

20000211200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000211200020 is an abundant number, since it is smaller than the sum of its proper divisors (22958785054700).

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

20000211200020 is a wasteful number, since it uses less digits than its factorization.

20000211200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314105 (or 314103 counting only the distinct ones).

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

Adding to 20000211200020 its reverse (2000211200002), we get a palindrome (22000422400022).

The spelling of 20000211200020 in words is "twenty trillion, two hundred eleven million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 181 223 316 362 395 446 724 790 892 905 1115 1580 1810 2230 3620 4460 14299 17617 28598 35234 40363 57196 70468 71495 80726 88085 142990 161452 176170 201815 285980 313613 352340 403630 627226 807260 1254452 1568065 3136130 3188677 6272260 6377354 12754708 15943385 24775427 31886770 49550854 56763953 63773540 69935699 99101708 113527906 123877135 139871398 227055812 247754270 279742796 283819765 349678495 495508540 567639530 699356990 1135279060 1398713980 4484352287 5524920221 8968704574 11049840442 12658361519 17937409148 22099680884 22421761435 25316723038 27624601105 44843522870 50633446076 55249202210 63291807595 89687045740 110498404420 126583615190 253167230380 1000010560001 2000021120002 4000042240004 5000052800005 10000105600010 20000211200020