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20122223020020 = 22355112316365119
BaseRepresentation
bin1001001001101000100011…
…11101001000011111110100
32122020122222022122020100000
410210310101331020133310
510114140303043120040
6110444004401351300
74144532305401132
oct444642175103764
978218868566300
1020122223020020
116458872344a90
12230b9a3938530
13b2c695bcc664
144d7cc6914752
1524d65a0a4130
hex124d11f487f4

20122223020020 has 288 divisors, whose sum is σ = 72054706913280. Its totient is φ = 4666022444160.

The previous prime is 20122223019973. The next prime is 20122223020061. The reversal of 20122223020020 is 2002032222102.

20122223020020 is a `hidden beast` number, since 201 + 22 + 223 + 0 + 200 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20122223019975 and 20122223020002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6952980 + ... + 9412139.

It is an arithmetic number, because the mean of its divisors is an integer number (250189954560).

Almost surely, 220122223020020 is an apocalyptic number.

20122223020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122223020020 is an abundant number, since it is smaller than the sum of its proper divisors (51932483893260).

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

20122223020020 is a wasteful number, since it uses less digits than its factorization.

20122223020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16365177 (or 16365163 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20122223020020 its reverse (2002032222102), we get a palindrome (22124255242122).

The spelling of 20122223020020 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-three million, twenty thousand, twenty".