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20220220222020 = 22345713137160631
BaseRepresentation
bin1001001100011111000110…
…00010110010101001000100
32122121000220220122220020000
410212033203002302221010
510122242002334101040
6111001012501441300
74154601623022330
oct446174302625104
978530826586200
1020220220222020
1164963901a2325
122326992a10230
13b389b27c5310
144dc94198c7c0
15250e93577130
hex1263e30b2a44

20220220222020 has 240 divisors, whose sum is σ = 78069637164288. Its totient is φ = 4266244235520.

The previous prime is 20220220222003. The next prime is 20220220222151. The reversal of 20220220222020 is 2022202202202.

20220220222020 is a `hidden beast` number, since 2 + 0 + 220 + 2 + 202 + 220 + 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 = 20220220221984 and 20220220222002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 68432896 + ... + 68727735.

Almost surely, 220220220222020 is an apocalyptic number.

20220220222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220220222020 is an abundant number, since it is smaller than the sum of its proper divisors (57849416942268).

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

20220220222020 is a wasteful number, since it uses less digits than its factorization.

20220220222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137160672 (or 137160661 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20220220222020 its reverse (2022202202202), we get a palindrome (22242422424222).

The spelling of 20220220222020 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, twenty".