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20422324091 = 132516258757
BaseRepresentation
bin10011000001010000…
…111110111101111011
31221201021012112222202
4103001100332331323
5313311103332331
613214253140415
71322040614321
oct230120767573
957637175882
1020422324091
11872a9623a4
123b5b48a70b
131c06034450
14dba41bd11
157e7d8decb
hex4c143ef7b

20422324091 has 8 divisors (see below), whose sum is σ = 22080898224. Its totient is φ = 18776268000.

The previous prime is 20422324079. The next prime is 20422324093. The reversal of 20422324091 is 19042322402.

It is a happy number.

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 20422324091 - 226 = 20355215227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20422324093) 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, 3126116 + ... + 3132641.

It is an arithmetic number, because the mean of its divisors is an integer number (2760112278).

Almost surely, 220422324091 is an apocalyptic number.

20422324091 is a deficient number, since it is larger than the sum of its proper divisors (1658574133).

20422324091 is a wasteful number, since it uses less digits than its factorization.

20422324091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259021.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20422324091 its reverse (19042322402), we get a palindrome (39464646493).

The spelling of 20422324091 in words is "twenty billion, four hundred twenty-two million, three hundred twenty-four thousand, ninety-one".

Divisors: 1 13 251 3263 6258757 81363841 1570948007 20422324091