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20020210222000 = 245361231163481
BaseRepresentation
bin1001000110101010100011…
…00001001100001110110000
32121212220122212120011021111
410203111101201030032300
510111002342304101000
6110325054013203104
74134261321045622
oct443252141141660
977786585504244
1020020210222000
116419583820a4a
1222b4073a90494
13b22b893b4591
144d2daa426c12
1524ab892c9cba
hex12355184c3b0

20020210222000 has 80 divisors (see below), whose sum is σ = 48409955028864. Its totient is φ = 8007904320000.

The previous prime is 20020210221983. The next prime is 20020210222049. The reversal of 20020210222000 is 22201202002.

It is a tau number, because it is divible by the number of its divisors (80).

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, 122380260 + ... + 122543740.

Almost surely, 220020210222000 is an apocalyptic number.

20020210222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020210222000 is an abundant number, since it is smaller than the sum of its proper divisors (28389744806864).

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

20020210222000 is a wasteful number, since it uses less digits than its factorization.

20020210222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224735 (or 224719 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020210222000 its reverse (22201202002), we get a palindrome (20042411424002).

The spelling of 20020210222000 in words is "twenty trillion, twenty billion, two hundred ten million, two hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 61231 122462 163481 244924 306155 326962 489848 612310 653924 817405 979696 1224620 1307848 1530775 1634810 2449240 2615696 3061550 3269620 4087025 4898480 6123100 6539240 7653875 8174050 12246200 13078480 15307750 16348100 20435125 24492400 30615500 32696200 40870250 61231000 65392400 81740500 122462000 163481000 326962000 10010105111 20020210222 40040420444 50050525555 80080840888 100101051110 160161681776 200202102220 250252627775 400404204440 500505255550 800808408880 1001010511100 1251263138875 2002021022200 2502526277750 4004042044400 5005052555500 10010105111000 20020210222000