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11020200220 = 2252361392737
BaseRepresentation
bin10100100001101101…
…01110100100011100
31001110000110011201201
422100312232210130
5140032132401340
65021305045244
7540043104421
oct122066564434
931400404651
1011020200220
114745685597
122176786824
13106817ac43
1476784bd48
1544772e79a
hex290dae91c

11020200220 has 48 divisors (see below), whose sum is σ = 24544554048. Its totient is φ = 4147292160.

The previous prime is 11020200209. The next prime is 11020200223. The reversal of 11020200220 is 2200202011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11020200197 and 11020200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020200223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168309 + ... + 224428.

It is an arithmetic number, because the mean of its divisors is an integer number (511344876).

Almost surely, 211020200220 is an apocalyptic number.

11020200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020200220 is an abundant number, since it is smaller than the sum of its proper divisors (13524353828).

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

11020200220 is a wasteful number, since it uses less digits than its factorization.

11020200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392830 (or 392828 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 11020200220 its reverse (2200202011), we get a palindrome (13220402231).

The spelling of 11020200220 in words is "eleven billion, twenty million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 61 92 115 122 230 244 305 460 610 1220 1403 2806 5612 7015 14030 28060 392737 785474 1570948 1963685 3927370 7854740 9032951 18065902 23956957 36131804 45164755 47913914 90329510 95827828 119784785 180659020 239569570 479139140 551010011 1102020022 2204040044 2755050055 5510100110 11020200220