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202220200220 = 22512917831921
BaseRepresentation
bin1011110001010101000…
…0110110000100011100
3201022222001222112122012
42330111100312010130
511303121332401340
6232522040410352
720416130224643
oct2742520660434
9638861875565
10202220200220
1178841038515
12332371769b8
13160b92a410c
149b04cda35a
1553d8331565
hex2f1543611c

202220200220 has 24 divisors (see below), whose sum is σ = 424991415408. Its totient is φ = 80825414400.

The previous prime is 202220200219. The next prime is 202220200241. The reversal of 202220200220 is 22002022202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202220200195 and 202220200204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3890141 + ... + 3941780.

It is an arithmetic number, because the mean of its divisors is an integer number (17707975642).

Almost surely, 2202220200220 is an apocalyptic number.

202220200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220200220 is an abundant number, since it is smaller than the sum of its proper divisors (222771215188).

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

202220200220 is a wasteful number, since it uses less digits than its factorization.

202220200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833221 (or 7833219 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 202220200220 its reverse (22002022202), we get a palindrome (224222222422).

The spelling of 202220200220 in words is "two hundred two billion, two hundred twenty million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1291 2582 5164 6455 12910 25820 7831921 15663842 31327684 39159605 78319210 156638420 10111010011 20222020022 40444040044 50555050055 101110100110 202220200220