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20339196 = 22319372411
BaseRepresentation
bin100110110010…
…1100111111100
31102021100010120
41031211213330
520201323241
62003534540
7334610643
oct115454774
942240116
1020339196
1110532159
12698a450
1342a1937
1429b635a
151bbb666
hex13659fc

20339196 has 48 divisors (see below), whose sum is σ = 51327360. Its totient is φ = 6246720.

The previous prime is 20339173. The next prime is 20339197. The reversal of 20339196 is 69193302.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20339197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7231 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (1069320).

Almost surely, 220339196 is an apocalyptic number.

20339196 is the 2411-st nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20339196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25663680).

20339196 is an abundant number, since it is smaller than the sum of its proper divisors (30988164).

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

20339196 is a wasteful number, since it uses less digits than its factorization.

20339196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 20339196 is about 4509.8997771569. The cubic root of 20339196 is about 272.9677000254.

The spelling of 20339196 in words is "twenty million, three hundred thirty-nine thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 111 114 148 222 228 444 703 1406 2109 2411 2812 4218 4822 7233 8436 9644 14466 28932 45809 89207 91618 137427 178414 183236 267621 274854 356828 535242 549708 1070484 1694933 3389866 5084799 6779732 10169598 20339196