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20010202202020 = 22512740511944713
BaseRepresentation
bin1001000110010111111001…
…11111100111111110100100
32121211221211101201001210211
410203023330333213332210
510110321343230431040
6110320320542425204
74133455315222042
oct443137477477644
977757741631724
1020010202202020
116415308529458
1222b2140292204
13b21c52b49874
144d26db1b7392
1524a7a08858ea
hex1232fcfe7fa4

20010202202020 has 48 divisors (see below), whose sum is σ = 42362778544128. Its totient is φ = 7939092268800.

The previous prime is 20010202202017. The next prime is 20010202202041. The reversal of 20010202202020 is 2020220201002.

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, 9317184 + ... + 11261896.

It is an arithmetic number, because the mean of its divisors is an integer number (882557886336).

Almost surely, 220010202202020 is an apocalyptic number.

20010202202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010202202020 is an abundant number, since it is smaller than the sum of its proper divisors (22352576342108).

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

20010202202020 is a wasteful number, since it uses less digits than its factorization.

20010202202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948900 (or 1948898 counting only the distinct ones).

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

Adding to 20010202202020 its reverse (2020220201002), we get a palindrome (22030422403022).

The spelling of 20010202202020 in words is "twenty trillion, ten billion, two hundred two million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 4051 8102 16204 20255 40510 81020 514477 1028954 1944713 2057908 2572385 3889426 5144770 7778852 9723565 10289540 19447130 38894260 246978551 493957102 987914204 1234892755 2469785510 4939571020 7878032363 15756064726 31512129452 39390161815 78780323630 157560647260 1000510110101 2001020220202 4002040440404 5002550550505 10005101101010 20010202202020