Search a number
-
+
20120000202 = 2328933593739
BaseRepresentation
bin10010101111001111…
…101101011011001010
31220221012022220120200
4102233033231123022
5312201210001302
613124253233030
71311410115501
oct225717553312
956835286520
1020120000202
118595240a45
123a96192776
131b88501983
14d8c201838
157cb57181c
hex4af3ed6ca

20120000202 has 48 divisors (see below), whose sum is σ = 44108064000. Its totient is φ = 6627563712.

The previous prime is 20120000189. The next prime is 20120000207. The reversal of 20120000202 is 20200002102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20120000207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5379249 + ... + 5382987.

It is an arithmetic number, because the mean of its divisors is an integer number (918918000).

Almost surely, 220120000202 is an apocalyptic number.

20120000202 is an abundant number, since it is smaller than the sum of its proper divisors (23988063798).

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

20120000202 is a wasteful number, since it uses less digits than its factorization.

20120000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195 (or 7192 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20120000202 its reverse (20200002102), we get a palindrome (40320002304).

The spelling of 20120000202 in words is "twenty billion, one hundred twenty million, two hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 89 178 267 534 801 1602 3359 3739 6718 7478 10077 11217 20154 22434 30231 33651 60462 67302 298951 332771 597902 665542 896853 998313 1793706 1996626 2690559 2994939 5381118 5989878 12559301 25118602 37677903 75355806 113033709 226067418 1117777789 2235555578 3353333367 6706666734 10060000101 20120000202