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100020202220 = 2255001010111
BaseRepresentation
bin101110100100110101…
…0110010101011101100
3100120011120122201111002
41131021222302223230
53114320132432340
6113540524015432
710140410456051
oct1351152625354
9316146581432
10100020202220
1139466884354
1217474691578
13957ca63c13
144bab9dd028
152905dca715
hex1749ab2aec

100020202220 has 12 divisors (see below), whose sum is σ = 210042424704. Its totient is φ = 40008080880.

The previous prime is 100020202201. The next prime is 100020202273. The reversal of 100020202220 is 22202020001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500505036 + ... + 2500505075.

It is an arithmetic number, because the mean of its divisors is an integer number (17503535392).

Almost surely, 2100020202220 is an apocalyptic number.

100020202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020202220 is an abundant number, since it is smaller than the sum of its proper divisors (110022222484).

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

100020202220 is a wasteful number, since it uses less digits than its factorization.

100020202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001010120 (or 5001010118 counting only the distinct ones).

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

Adding to 100020202220 its reverse (22202020001), we get a palindrome (122222222221).

The spelling of 100020202220 in words is "one hundred billion, twenty million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5001010111 10002020222 20004040444 25005050555 50010101110 100020202220