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20023106 = 227136943
BaseRepresentation
bin100110001100…
…0011101000010
31101200021112112
41030120131002
520111214411
61553055322
7332123255
oct114303502
941607475
1020023106
1110336724
126857542
1341c0abc
14293309c
151b57b8b
hex1318742

20023106 has 8 divisors (see below), whose sum is σ = 30146304. Its totient is φ = 9974340.

The previous prime is 20023063. The next prime is 20023121. The reversal of 20023106 is 60132002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17930 + ... + 19013.

It is an arithmetic number, because the mean of its divisors is an integer number (3768288).

Almost surely, 220023106 is an apocalyptic number.

20023106 is a deficient number, since it is larger than the sum of its proper divisors (10123198).

20023106 is a wasteful number, since it uses less digits than its factorization.

20023106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37216.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20023106 is about 4474.7185386346. The cubic root of 20023106 is about 271.5462536524.

Adding to 20023106 its reverse (60132002), we get a palindrome (80155108).

The spelling of 20023106 in words is "twenty million, twenty-three thousand, one hundred six".

Divisors: 1 2 271 542 36943 73886 10011553 20023106