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20022301321 = 118112244401
BaseRepresentation
bin10010101001011011…
…000001001010001001
31220200101111021220121
4102221123001022021
5312001202120241
613110443223241
71306112516221
oct225133011211
956611437817
1020022301321
118545081370
123a69517b21
131b711b5699
14d7d24d081
157c2bc3ad1
hex4a96c1289

20022301321 has 8 divisors (see below), whose sum is σ = 21869453088. Its totient is φ = 18179640000.

The previous prime is 20022301303. The next prime is 20022301339. The reversal of 20022301321 is 12310322002.

It is an interprime number because it is at equal distance from previous prime (20022301303) and next prime (20022301339).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022301321 - 229 = 19485430409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022301295 and 20022301304.

It is not an unprimeable number, because it can be changed into a prime (20022301721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113280 + ... + 1131121.

It is an arithmetic number, because the mean of its divisors is an integer number (2733681636).

Almost surely, 220022301321 is an apocalyptic number.

It is an amenable number.

20022301321 is a deficient number, since it is larger than the sum of its proper divisors (1847151767).

20022301321 is a wasteful number, since it uses less digits than its factorization.

20022301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245223.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20022301321 its reverse (12310322002), we get a palindrome (32332623323).

The spelling of 20022301321 in words is "twenty billion, twenty-two million, three hundred one thousand, three hundred twenty-one".

Divisors: 1 11 811 8921 2244401 24688411 1820209211 20022301321