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20016902 = 229563613
BaseRepresentation
bin100110001011…
…0111100000110
31101122222000202
41030112330012
520111020102
61553010502
7332066213
oct114267406
941588022
1020016902
1110331aa4
126853a32
1341bb029
142930b0a
151b55e02
hex1316f06

20016902 has 16 divisors (see below), whose sum is σ = 31166640. Its totient is φ = 9630432.

The previous prime is 20016883. The next prime is 20016907. The reversal of 20016902 is 20961002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016907) 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, 32348 + ... + 32960.

It is an arithmetic number, because the mean of its divisors is an integer number (1947915).

Almost surely, 220016902 is an apocalyptic number.

20016902 is a deficient number, since it is larger than the sum of its proper divisors (11149738).

20016902 is a wasteful number, since it uses less digits than its factorization.

20016902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20016902 is about 4474.0252569694. The cubic root of 20016902 is about 271.5182052736.

Adding to 20016902 its reverse (20961002), we get a palindrome (40977904).

The spelling of 20016902 in words is "twenty million, sixteen thousand, nine hundred two".

Divisors: 1 2 29 58 563 613 1126 1226 16327 17777 32654 35554 345119 690238 10008451 20016902