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12202000220 = 2251132153891
BaseRepresentation
bin10110101110100101…
…11011111101011100
31011111101012211120002
423113102323331130
5144442203001340
65334443113432
7611243201444
oct132722737534
934441184502
1012202000220
1151a1790403
122446512878
1311c5c6c397
1483a7a1124
154b6372715
hex2d74bbf5c

12202000220 has 24 divisors (see below), whose sum is σ = 25626939408. Its totient is φ = 4880278400.

The previous prime is 12202000177. The next prime is 12202000243. The reversal of 12202000220 is 2200020221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199475 + ... + 253365.

It is an arithmetic number, because the mean of its divisors is an integer number (1067789142).

Almost surely, 212202000220 is an apocalyptic number.

12202000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202000220 is an abundant number, since it is smaller than the sum of its proper divisors (13424939188).

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

12202000220 is a wasteful number, since it uses less digits than its factorization.

12202000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65221 (or 65219 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12202000220 its reverse (2200020221), we get a palindrome (14402020441).

The spelling of 12202000220 in words is "twelve billion, two hundred two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 11321 22642 45284 53891 56605 107782 113210 215564 226420 269455 538910 1077820 610100011 1220200022 2440400044 3050500055 6101000110 12202000220