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20220211100 = 2252202202111
BaseRepresentation
bin10010110101001101…
…111110111110011100
31221012011220011002102
4102311031332332130
5312402333223400
613142233144232
71314034646525
oct226515767634
957164804072
1020220211100
118636866971
123b0385b078
131ba31ba46b
14d9b64984c
157d52689d5
hex4b537ef9c

20220211100 has 18 divisors (see below), whose sum is σ = 43877858304. Its totient is φ = 8088084400.

The previous prime is 20220211093. The next prime is 20220211129. The reversal of 20220211100 is 111202202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101100956 + ... + 101101155.

Almost surely, 220220211100 is an apocalyptic number.

20220211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220211100 is an abundant number, since it is smaller than the sum of its proper divisors (23657647204).

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

20220211100 is a wasteful number, since it uses less digits than its factorization.

20220211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202202125 (or 202202118 counting only the distinct ones).

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

Adding to 20220211100 its reverse (111202202), we get a palindrome (20331413302).

The spelling of 20220211100 in words is "twenty billion, two hundred twenty million, two hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 202202111 404404222 808808444 1011010555 2022021110 4044042220 5055052775 10110105550 20220211100