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20013110 = 2513153947
BaseRepresentation
bin100110001011…
…0000000110110
31101122202211022
41030112000312
520110404420
61552541142
7332052155
oct114260066
941582738
1020013110
111032a167
1268517b2
1341b93a0
14292d59c
151b54c25
hex1316036

20013110 has 16 divisors (see below), whose sum is σ = 38794896. Its totient is φ = 7389408.

The previous prime is 20013109. The next prime is 20013121. The reversal of 20013110 is 1131002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76844 + ... + 77103.

It is an arithmetic number, because the mean of its divisors is an integer number (2424681).

Almost surely, 220013110 is an apocalyptic number.

20013110 is a deficient number, since it is larger than the sum of its proper divisors (18781786).

20013110 is a wasteful number, since it uses less digits than its factorization.

20013110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153967.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 20013110 is about 4473.6014574390. The cubic root of 20013110 is about 271.5010587299.

Adding to 20013110 its reverse (1131002), we get a palindrome (21144112).

The spelling of 20013110 in words is "twenty million, thirteen thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 153947 307894 769735 1539470 2001311 4002622 10006555 20013110