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20202122011100 = 22521711883601183
BaseRepresentation
bin1001001011111101011000…
…10011100110000111011100
32122112022012121200112010212
410211332230103212013130
510121442421213323400
6110544420550151552
74153361262536111
oct445765423460734
978468177615125
1020202122011100
116489743230617
1223233819525b8
13b3708a129683
144dbb060b8908
1525078476e335
hex125fac4e61dc

20202122011100 has 36 divisors (see below), whose sum is σ = 46417346224704. Its totient is φ = 7605504756480.

The previous prime is 20202122011087. The next prime is 20202122011109. The reversal of 20202122011100 is 111022120202.

It is a super-2 number, since 2×202021220111002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202122011109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5941798892 + ... + 5941802291.

It is an arithmetic number, because the mean of its divisors is an integer number (1289370728464).

Almost surely, 220202122011100 is an apocalyptic number.

20202122011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202122011100 is an abundant number, since it is smaller than the sum of its proper divisors (26215224213604).

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

20202122011100 is a wasteful number, since it uses less digits than its factorization.

20202122011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883601214 (or 11883601207 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202122011100 its reverse (111022120202), we get a palindrome (20313144131302).

The spelling of 20202122011100 in words is "twenty trillion, two hundred two billion, one hundred twenty-two million, eleven thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 11883601183 23767202366 47534404732 59418005915 118836011830 202021220111 237672023660 297090029575 404042440222 594180059150 808084880444 1010106100555 1188360118300 2020212201110 4040424402220 5050530502775 10101061005550 20202122011100