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200020210122020 = 225171015824700353
BaseRepresentation
bin101101011110101011010101…
…100100100111110100100100
3222020012202010100112122001012
4231132223111210213310210
5202204112342242401040
61545224003242321352
760062661161444201
oct5536532544476444
9866182110478035
10200020210122020
1158807105109132
121a52530b7b9258
13877ba95356072
14375705bba4ca8
15181ceb84b3865
hexb5ead5927d24

200020210122020 has 48 divisors (see below), whose sum is σ = 449154293697648. Its totient is φ = 74556164505600.

The previous prime is 200020210121999. The next prime is 200020210122053. The reversal of 200020210122020 is 20221012020002.

It can be written as a sum of positive squares in 8 ways, for example, as 82261598553124 + 117758611568896 = 9069818^2 + 10851664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200020210121986 and 200020210122004.

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, 2912315837 + ... + 2912384516.

It is an arithmetic number, because the mean of its divisors is an integer number (9357381118701).

Almost surely, 2200020210122020 is an apocalyptic number.

200020210122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020210122020 is an abundant number, since it is smaller than the sum of its proper divisors (249134083575628).

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

200020210122020 is a wasteful number, since it uses less digits than its factorization.

200020210122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824700480 (or 5824700478 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200020210122020 its reverse (20221012020002), we get a palindrome (220241222142022).

The spelling of 200020210122020 in words is "two hundred trillion, twenty billion, two hundred ten million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 101 170 202 340 404 505 1010 1717 2020 3434 6868 8585 17170 34340 5824700353 11649400706 23298801412 29123501765 58247003530 99019906001 116494007060 198039812002 396079624004 495099530005 588294735653 990199060010 1176589471306 1980398120020 2353178942612 2941473678265 5882947356530 10001010506101 11765894713060 20002021012202 40004042024404 50005052530505 100010105061010 200020210122020