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20322042 = 2313260539
BaseRepresentation
bin100110110000…
…1011011111010
31102020110121020
41031201123322
520200301132
62003323310
7334506636
oct115413372
942213536
1020322042
1110520284
126980536
134296ba0
1429addc6
151bb652c
hex13616fa

20322042 has 16 divisors (see below), whose sum is σ = 43770720. Its totient is φ = 6252912.

The previous prime is 20322037. The next prime is 20322047. The reversal of 20322042 is 24022302.

It is an interprime number because it is at equal distance from previous prime (20322037) and next prime (20322047).

It is not an unprimeable number, because it can be changed into a prime (20322047) 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, 130192 + ... + 130347.

It is an arithmetic number, because the mean of its divisors is an integer number (2735670).

Almost surely, 220322042 is an apocalyptic number.

20322042 is an abundant number, since it is smaller than the sum of its proper divisors (23448678).

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

20322042 is a wasteful number, since it uses less digits than its factorization.

20322042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260557.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20322042 is about 4507.9975598929. The cubic root of 20322042 is about 272.8909384703.

Adding to 20322042 its reverse (24022302), we get a palindrome (44344344).

The spelling of 20322042 in words is "twenty million, three hundred twenty-two thousand, forty-two".

Divisors: 1 2 3 6 13 26 39 78 260539 521078 781617 1563234 3387007 6774014 10161021 20322042