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202021030220 = 225101137730003
BaseRepresentation
bin1011110000100101100…
…1000100100101001100
3201022110012012122202112
42330021121010211030
511302214340431340
6232450203443152
720411161265252
oct2741131044514
9638405178675
10202021030220
1178749672109
12331a05264b8
1316086c4a849
149ac66925d2
1553c5add065
hex2f0964494c

202021030220 has 48 divisors (see below), whose sum is σ = 431572524768. Its totient is φ = 79424217600.

The previous prime is 202021030207. The next prime is 202021030243. The reversal of 202021030220 is 22030120202.

It is a junction number, because it is equal to n+sod(n) for n = 202021030195 and 202021030204.

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, 88262 + ... + 641741.

It is an arithmetic number, because the mean of its divisors is an integer number (8991094266).

Almost surely, 2202021030220 is an apocalyptic number.

202021030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202021030220 is an abundant number, since it is smaller than the sum of its proper divisors (229551494548).

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

202021030220 is a wasteful number, since it uses less digits than its factorization.

202021030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730250 (or 730248 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 202021030220 its reverse (22030120202), we get a palindrome (224051150422).

The spelling of 202021030220 in words is "two hundred two billion, twenty-one million, thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 137 202 274 404 505 548 685 1010 1370 2020 2740 13837 27674 55348 69185 138370 276740 730003 1460006 2920012 3650015 7300030 14600060 73730303 100010411 147460606 200020822 294921212 368651515 400041644 500052055 737303030 1000104110 1474606060 2000208220 10101051511 20202103022 40404206044 50505257555 101010515110 202021030220