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20200220200220 = 2251795642519609
BaseRepresentation
bin1001001011111001110101…
…11100110000110100011100
32122112010022002002112001212
410211330322330300310130
510121430022332401340
6110543504131523552
74153263200445014
oct445747274606434
978463262075055
1020200220200220
116488957758995
122322b30a595b8
13b36b461107a8
144db9a569cc44
152506c2804a65
hex125f3af30d1c

20200220200220 has 24 divisors (see below), whose sum is σ = 42657448251600. Its totient is φ = 8034947921792.

The previous prime is 20200220200157. The next prime is 20200220200367. The reversal of 20200220200220 is 2200202200202.

It is a happy number.

It is a super-2 number, since 2×202002202002202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20200220200195 and 20200220200204.

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, 2821256225 + ... + 2821263384.

It is an arithmetic number, because the mean of its divisors is an integer number (1777393677150).

Almost surely, 220200220200220 is an apocalyptic number.

20200220200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200220200220 is an abundant number, since it is smaller than the sum of its proper divisors (22457228051380).

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

20200220200220 is a wasteful number, since it uses less digits than its factorization.

20200220200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642519797 (or 5642519795 counting only the distinct ones).

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

Adding to 20200220200220 its reverse (2200202200202), we get a palindrome (22400422400422).

The spelling of 20200220200220 in words is "twenty trillion, two hundred billion, two hundred twenty million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 3580 5642519609 11285039218 22570078436 28212598045 56425196090 112850392180 1010011010011 2020022020022 4040044040044 5050055050055 10100110100110 20200220200220