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30220100220 = 22351912699803
BaseRepresentation
bin11100001001010000…
…100010001001111100
32220000002110011010010
4130021100202021330
5443342321201340
621514413343220
72116611420312
oct341120421174
986002404103
1030220100220
11118a8505642
125a34797b10
132b07b6930b
1416697800b2
15bbd103b80
hex70942227c

30220100220 has 96 divisors (see below), whose sum is σ = 85384212480. Its totient is φ = 7985885440.

The previous prime is 30220100203. The next prime is 30220100231. The reversal of 30220100220 is 2200102203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30220100196 and 30220100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3077839 + ... + 3087641.

It is an arithmetic number, because the mean of its divisors is an integer number (889418880).

Almost surely, 230220100220 is an apocalyptic number.

30220100220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30220100220 is an abundant number, since it is smaller than the sum of its proper divisors (55164112260).

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

30220100220 is a wasteful number, since it uses less digits than its factorization.

30220100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275 (or 10273 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 30220100220 its reverse (2200102203), we get a palindrome (32420202423).

The spelling of 30220100220 in words is "thirty billion, two hundred twenty million, one hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 191 269 382 538 573 764 807 955 1076 1146 1345 1614 1910 2292 2690 2865 3228 3820 4035 5380 5730 8070 9803 11460 16140 19606 29409 39212 49015 51379 58818 98030 102758 117636 147045 154137 196060 205516 256895 294090 308274 513790 588180 616548 770685 1027580 1541370 1872373 2637007 3082740 3744746 5274014 5617119 7489492 7911021 9361865 10548028 11234238 13185035 15822042 18723730 22468476 26370070 28085595 31644084 37447460 39555105 52740140 56171190 79110210 112342380 158220420 503668337 1007336674 1511005011 2014673348 2518341685 3022010022 5036683370 6044020044 7555025055 10073366740 15110050110 30220100220