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20200020202000 = 245319531579479
BaseRepresentation
bin1001001011111001011110…
…00001110101001000010000
32122112002210010202120002101
410211330233001311020100
510121424120132431000
6110543432225130144
74153255221465562
oct445745701651020
978462703676071
1020200020202000
116488864877301
122322a95a89954
13b36b13857252
144db986cbb332
152506aee9ae6a
hex125f2f075210

20200020202000 has 80 divisors (see below), whose sum is σ = 51414367305600. Its totient is φ = 7654744483200.

The previous prime is 20200020201971. The next prime is 20200020202093. The reversal of 20200020202000 is 20202000202.

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

It is a super-2 number, since 2×202000202020002 (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 265751740 + ... + 265827739.

It is an arithmetic number, because the mean of its divisors is an integer number (642679591320).

Almost surely, 220200020202000 is an apocalyptic number.

20200020202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200020202000 is an abundant number, since it is smaller than the sum of its proper divisors (31214347103600).

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

20200020202000 is a wasteful number, since it uses less digits than its factorization.

20200020202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531579521 (or 531579505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20200020202000 its reverse (20202000202), we get a palindrome (20220222202202).

The spelling of 20200020202000 in words is "twenty trillion, two hundred billion, twenty million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 125 152 190 200 250 304 380 400 475 500 760 950 1000 1520 1900 2000 2375 3800 4750 7600 9500 19000 38000 531579479 1063158958 2126317916 2657897395 4252635832 5315794790 8505271664 10100010101 10631589580 13289486975 20200020202 21263179160 26578973950 40400040404 42526358320 50500050505 53157947900 66447434875 80800080808 101000101010 106315895800 132894869750 161600161616 202000202020 212631791600 252500252525 265789739500 404000404040 505000505050 531579479000 808000808080 1010001010100 1063158958000 1262501262625 2020002020200 2525002525250 4040004040400 5050005050500 10100010101000 20200020202000