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110220210020 = 22531117720291
BaseRepresentation
bin110011010100110100…
…0101110111101100100
3101112111102202210201202
41212221220232331210
53301212333210040
6122345013342032
710651234220114
oct1465150567544
9345442683652
10110220210020
1142820487168
1219440637918
13a51700c0ab
145498547044
152d015e5015
hex19a9a2ef64

110220210020 has 24 divisors (see below), whose sum is σ = 232206706368. Its totient is φ = 43946319200.

The previous prime is 110220210011. The next prime is 110220210031. The reversal of 110220210020 is 20012022011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 110220209983 and 110220210010.

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, 8853926 + ... + 8866365.

It is an arithmetic number, because the mean of its divisors is an integer number (9675279432).

Almost surely, 2110220210020 is an apocalyptic number.

110220210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110220210020 is an abundant number, since it is smaller than the sum of its proper divisors (121986496348).

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

110220210020 is a wasteful number, since it uses less digits than its factorization.

110220210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17720611 (or 17720609 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 110220210020 its reverse (20012022011), we get a palindrome (130232232031).

The spelling of 110220210020 in words is "one hundred ten billion, two hundred twenty million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 17720291 35440582 70881164 88601455 177202910 354405820 5511010501 11022021002 22044042004 27555052505 55110105010 110220210020