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20202120211120 = 245252526502639
BaseRepresentation
bin1001001011111101011000…
…01100101110101010110000
32122112022012111022002000221
410211332230030232222300
510121442420233223440
6110544420443422424
74153361241331261
oct445765414565260
978468174262027
1020202120211120
116489742211231
122323381224a14
13b370899492b3
144dbb05b6a968
15250784515d4a
hex125fac32eab0

20202120211120 has 20 divisors (see below), whose sum is σ = 46969929491040. Its totient is φ = 8080848084416.

The previous prime is 20202120211093. The next prime is 20202120211139. The reversal of 20202120211120 is 2111202120202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×202021202111202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20202120211094 and 20202120211103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126263251240 + ... + 126263251399.

It is an arithmetic number, because the mean of its divisors is an integer number (2348496474552).

Almost surely, 220202120211120 is an apocalyptic number.

20202120211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202120211120 is an abundant number, since it is smaller than the sum of its proper divisors (26767809279920).

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

20202120211120 is a wasteful number, since it uses less digits than its factorization.

20202120211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252526502652 (or 252526502646 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20202120211120 its reverse (2111202120202), we get a palindrome (22313322331322).

The spelling of 20202120211120 in words is "twenty trillion, two hundred two billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 252526502639 505053005278 1010106010556 1262632513195 2020212021112 2525265026390 4040424042224 5050530052780 10101060105560 20202120211120