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20002022020 = 2257114085931
BaseRepresentation
bin10010101000001101…
…101010001010000100
31220121222022222221101
4102220031222022010
5311431004201040
613104440425444
71305445245001
oct225015521204
956558288841
1020002022020
118534690212
123a62778284
131b69c350b6
14d7a6908a8
157c101a09a
hex4a836a284

20002022020 has 24 divisors (see below), whose sum is σ = 42595858368. Its totient is φ = 7888120800.

The previous prime is 20002022017. The next prime is 20002022023. The reversal of 20002022020 is 2022020002.

It is an interprime number because it is at equal distance from previous prime (20002022017) and next prime (20002022023).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20002021988 and 20002022006.

It is not an unprimeable number, because it can be changed into a prime (20002022023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7041546 + ... + 7044385.

It is an arithmetic number, because the mean of its divisors is an integer number (1774827432).

Almost surely, 220002022020 is an apocalyptic number.

20002022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002022020 is an abundant number, since it is smaller than the sum of its proper divisors (22593836348).

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

20002022020 is a wasteful number, since it uses less digits than its factorization.

20002022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086011 (or 14086009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20002022020 its reverse (2022020002), we get a palindrome (22024042022).

The spelling of 20002022020 in words is "twenty billion, two million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 14085931 28171862 56343724 70429655 140859310 281718620 1000101101 2000202202 4000404404 5000505505 10001011010 20002022020